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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Dear List,<?xml:namespace prefix = o
ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Avery has asked that I post to the
list regarding the Dampp-Chaser patent on the undercover and the backside
cover.<SPAN style="mso-spacerun: yes"> </SPAN>As a manufacturer, we
maintain a strong business relationship with our local patent attorneys.<SPAN
style="mso-spacerun: yes"> </SPAN>When we come up with a new idea we get
their law firm involved.<SPAN style="mso-spacerun: yes"> </SPAN>They
complete an initial evaluation of potential patentability.<SPAN
style="mso-spacerun: yes"> </SPAN>If they make a positive recommendation,
we work with them to complete an application.<SPAN
style="mso-spacerun: yes"> </SPAN>They obviously use their “special”
terminology and illustrations that deliver a document designed to meet a
government patent inspector’s expectations.<SPAN
style="mso-spacerun: yes"> </SPAN>Then we enter into a review and appeal
process that after some (often seemingly endless) period of time can result in a
patent being issued.<SPAN style="mso-spacerun: yes"> </SPAN>Sometimes we
are told that the idea is obvious and not patentable at the end of this
journey.<SPAN style="mso-spacerun: yes"> </SPAN>Costs are considerable as
the attorneys charge by the minute at a rate equivalent to $250 per
hour.<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Patents are often drafted to include
“anything under the sun” type claims.<SPAN style="mso-spacerun: yes">
</SPAN>Then some claims get rejected during the iterative review process.<SPAN
style="mso-spacerun: yes"> </SPAN>The patent as issued can then have some
inconsistencies within the document based on these activities.<SPAN
style="mso-spacerun: yes"> </SPAN>With regard to the patent under
discussion, I believe we had a long list of materials for use as an undercover
or backside cover and tried to achieve maximum material design freedom in the
final document subject to the judgments of the patent
inspector.<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">The Mylar was initially used on
upright pianos, but was never tried on a grand.<SPAN
style="mso-spacerun: yes"> </SPAN>We feel that our current material falls
within the scope of the patent as do most materials purchased at fabric stores,
but others may disagree.<SPAN style="mso-spacerun: yes"> </SPAN>We have
heard the argument that the patent was issued for an obvious idea.<SPAN
style="mso-spacerun: yes"> </SPAN>Indeed this topic is in the news with a
recent Supreme Court ruling saying that too many patents have been issued for
obvious ideas.<SPAN style="mso-spacerun: yes"> </SPAN>With these changes
in the air, critics of our patent may have a means to “reverse” it in the
future………if they have the time, energy and money to participate in the
process.<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Kindly note we have not been pushy
about the patent.<SPAN style="mso-spacerun: yes"> </SPAN>In the numerous
training programs we conduct I simply mention the patent, explain that we are
not the patent police, and ask technicians to do what they feel is right.
<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Our intention was and is to develop
a climate control system that provides maximum benefit to the piano.<SPAN
style="mso-spacerun: yes"> </SPAN>I was skeptical of the undercover
benefit at first, but over the years I have seen it improve system performance
in many grand installations.<SPAN style="mso-spacerun: yes"> </SPAN>In
this regard, we are considering making it standard equipment in the grand
systems sold in </SPAN><?xml:namespace prefix = st1 ns =
"urn:schemas-microsoft-com:office:smarttags" /><st1:place><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Europe</SPAN></st1:place><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">.<SPAN
style="mso-spacerun: yes"> </SPAN>I do appreciate the kind comments about
our product in this thread that has certainly morphed from a data logger
discussion.<SPAN style="mso-spacerun: yes"> </SPAN>I also thank you for
your support of our organization over the years.<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Sincerely,<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Roger Wheelock,
VP<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Dampp-Chaser
Corporation<o:p></o:p></SPAN></P></DIV>
<BLOCKQUOTE dir=ltr
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=avery1@houston.rr.com href="mailto:avery1@houston.rr.com">Avery</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=pianotech@ptg.org
href="mailto:pianotech@ptg.org">Pianotech List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, April 30, 2007 11:21
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Dampp-Chaser Patent
#6,133,519</DIV>
<DIV><BR></DIV><FONT size=3>John & others, <BR><BR>I just sent this to
Roger Wheelock at Dampp-Chaser. Maybe he'll have something<BR>to say.
<BR><BR>Avery <BR><BR>At 08:54 PM 4/30/2007, you wrote:<BR>
<BLOCKQUOTE class=cite cite="" type="cite">Paul,<BR><BR>I looked at this
last night. (<A href="http://www.uspto.gov"
eudora="autourl">www.uspto.gov</A>) It appears to be the only<BR>patent for
a cover to be used in conjunction with a DC system. I<BR>didn't look
everywhere, but this was one of the three patents I found<BR>for
Dampp-Chaser Corp.<BR><BR>Anyway, what this appears to be talking about is
the older way of<BR>doing it with the mylar type plastic material. I think I
installed<BR>only one of those, as it was right around the time that I
started<BR>working full-time as a piano tech.<BR><BR>The undercover in use
now is speaker fabric.<BR><BR>There is a possibility that there might be a
patent pending. Maybe<BR>someone could contact Dampp-Chaser and find out. Or
maybe someone from<BR>there will comment here on the list.<BR><BR>There are
a number of us who want to abide by the law, and it would be<BR>helpful to
know exactly what that is.<BR><BR>JF<BR><BR>P.S. After reading the patent
lingo, one thing I hope I never have to<BR>become is a patent lawyer.
Ugh! :-) No offense to any of you who<BR>like that kind of
thing.<BR><BR>On 4/30/07, paul bruesch <tunergeek@gmail.com>
wrote:<BR>
<BLOCKQUOTE class=cite cite="" type="cite">I found the Dampp-Chaser's
patent online:<BR><A href="http://www.freepatentsonline.com/6133519.pdf"
eudora="autourl">http://www.freepatentsonline.com/6133519.pdf</A><BR>(you
might have to create an account to look at the pdf, for some
darned<BR>reason)<BR><BR>According to the abstract, the under/back cover
patent is for a "...moisture<BR>impervious aperture free sheet...".
In the detail of the patent write-up,<BR>under "Background of the
Invention" it specifies "MYLAR or felt" (caps<BR>theirs) "... having a
plurality of apertures or holes..." (which, to my<BR>mind, contradicts the
abstract portion... but then again I'm not a lawyer.)<BR><BR>So, what sort
of fabric/material is Dampp-Chaser's under/back cover made<BR>of?
I'm not a rocket scientist, nor even a acoustic engineer, heck, I'm
not<BR>even an RPT, but the idea of Mylar back/under cover on a piano
sounds to me<BR>like it would sound a bit bizarre. Wouldn't it?? And
wouldn't felt mute and<BR>muffle the sound? (see previous
disclaimers regarding my qualifications)<BR><BR>I wonder what a "plurality
of apertures or holes" means... several holes<BR>and/or apertures in the
cover, or is that phrase intended to include an open<BR>weave like speaker
cloth, being what it sounds like many techs are using.<BR>An open weave
certainly has a "plurality of holes," but it would make a lot<BR>more
better sense to say "open weave fabric."<BR><BR>Please understand that I'm
not trying to get around anyone's patent, or<BR>infringe on same... when
the time comes I'll order the DC cover simply for<BR>the convenience of
it, if for no other reason. My curiosity is piqued about<BR>this patent
for a new way to use a piece of cloth... and I'd just like
to<BR>understand it better. Judging from the amount of traffic generated
by this<BR>topic, I don't think I'm alone.<BR><BR>Paul Bruesch<BR>Computer
Geek and PTG Associate, who typically plays by the rules but wants<BR>to
understand them. And I don't run with
scissors.<BR><BR><BR></FONT></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>