Resources Contact Us Home
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 84/472
Name: Music > Accessories > Teaching devices > Charts or boards > Easel type
Description: Devices adapted to stand vertically and others of analogous construction and use.

Patents under this class:

Patent Number Title Of Patent Date Issued
7326845 Music stand device and musical instrument having the musical stand device Feb. 5, 2008
6802485 Two-piece music stand accessory for large books Oct. 12, 2004
6491277 Music holding device for a piano Dec. 10, 2002
6414230 Jazz drumming ride pattern flip chart tool Jul. 2, 2002
6050536 Music support and turning aid Apr. 18, 2000
4464971 Musical education display apparatus Aug. 14, 1984
4444083 Keyboard instrument, especially a piano or similar instrument Apr. 24, 1984
3978756 Guitar instruction system Sep. 7, 1976

  Recently Added Patents
Laminar library screen
LED illumination systems
Heat shield and laminated glass
Author signatures for legal purposes
Satellite fleet deployment
Hand sign
Segmenting video based on timestamps in comments
  Randomly Featured Patents
Semiconductor device method for manufacturing
Method of measuring the velocity of an object relative to a reference and a device for effecting said method
Tapered thread forming apparatus and method
Regulator system for charge pump circuits
Methods and systems for measuring internal dimensions of microscale structures
Color filter arrays with optimum dye density
Non-linear femtosecond pulse filter with high contrast
Electron cyclotron resonance apparatus comprising wafer cooling pedestal
Automatic adjusting circuit for an analog filter