At 21:40 03/23/2001 -0500, you wrote: >In a message dated 3/23/2001 8:29:47 PM Central Standard Time, >kam544@flash.net writes: > ><< The date listed for this patent is September 4, 1936 >> > >This is essentially correct, except that my understanding is that some pianos >from 1935 got made with the "accelerated action" including the roller bearing >balance rail. >I have been known to be wrong, though. :) >PR-J The patent process is a long one (years in many cases). Many times things are put on the market "patent pending". This means that it has been applied for but not yet granted , as would be the case for those accelerated rollers in '35. Conrad Hoffsommer - Luther College, Decorah, IA Ignorance doesn't kill you, but it will make you sweat a lot.-Haitian proverb
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