Resources Contact Us Home
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
Wind turbine
Calcium carbonate granulation
Method and apparatus for determining storage capacity error for a data storage device
Key management using quasi out of band authentication architecture
Process for the preparation of ethylene homopolymers or copolymers in a high-pressure reactor controlled by a model based predictive controller
Level-shift circuit, electro-optical device, and level shift method
Hair care composition
  Randomly Featured Patents
Lottery ticket with a registered holographic layer
Graphical user interface with hierarchical structure for customizable menus and control objects
Emulation of dynamically reconfigurable computer system
Fuel igniter and head for use in diesel engines and related systems and methods
Method and apparatus for at-speed diagnostics of embedded memories
Zoom lens
Developer container including mouth member and image forming apparatus including the same
Valve cartridge with reduced tolerance stack-up
Method and apparatus for controlling temperature of a liquid
Camera module and method for manufacturing camera module