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 for using directing cells for specific stem/progenitor cell activation and differentiation
Stacked thin-film superlattice thermoelectric devices
Context-sensitive views
Wide viewing angle indicators for network devices
Information processing apparatus, information processing method, and program
Image capture apparatus and program
Resuming piecewise calibration of a real-time-clock unit after a measured offset that begins at the next calibration period
  Randomly Featured Patents
Method of producing rigid foams and products produced therefrom
Seat lock device
Method for sequencing flavors with an auditory phrase
Session manager for web-based applications
Etched coil unibody digital detector
Method of producing acid fluorides from acid chlorides
Filter press comprising means for filtering mud
Electromagnetically actuatable hydraulic proportional valve
Flexible membrane for multi-chamber carrier head
Eyewear with enhanced air flow and/or absorption features