Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 84/38
Name: Music > Instruments > Automatic > Stringed > Pianos > Pneumatic type > Expression mechanism > Parts of piano moved > Rest rail shifted > Graduated shift
Description: The ends of the rest-rail may move through unequal distances, so the musical effect is graduated from bass to treble.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Computerized on-board system for controlling a train
(4948
Dynamic allocation of access channels based on access channel occupancy in a cellular wireless communication system
Electronic device and control method therein
Personalized health communication system
Peer-to-peer, internet protocol telephone system with proxy interface for configuration data
Semiconductor process
  Randomly Featured Patents
Process for recovering N-hexenes from a mixture of C.sub.6 olefin isomers by oligomerizing the branched-chain C.sub.6 olefin isomers in the mixture using a moderate strength acid catlyst
Y5V dielectric composition
Animal litter and related processes
Keyboard housing
Ignition coil assembly for engine
Micromachined members coupled for relative rotation by torsion bars
Vertical magnetic recording and playback apparatus
Printing system
Modified polymers prepared with lanthanide-based catalysts
Method of forming an insulating capping layer for a copper metallization layer