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
Method and structure for image local contrast enhancement
Selenium/group 3A ink and methods of making and using same
Systems and methods for identifying malicious domains using internet-wide DNS lookup patterns
Photomask blank, photomask blank manufacturing method, and photomask manufacturing method
Phosphor, light emitting apparatus, and liquid crystal display apparatus using the same
Heap/stack guard pages using a wakeup unit
Dielectric insulation medium
  Randomly Featured Patents
Method for providing oxygen in gas process
Germinal center kinase cell cycle proteins, compositions and methods of use
Methods of and device for encapsulation and termination of electronic devices
Multi-layer container
Clip-on bottle holder
Nitride semiconductor laser device
Lateral impact energy transfer rail
Method and apparatus for reducing power consumption of a fan in a computer system
Small-sized electronic calculator capable of functioning as a musical instrument
Seamed spacer sleeve for electrical connector housing