2772593

Information

• Patent Grant
• 2772593

• References
• Source

• Patent Number

  2,772,593

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1956
  68 years ago

• CPC

  • G10D7/123 - Mouthorgans
  • Y10S84/14 - Harmonicas
  • Y10S84/15 - Accordions

• US Classifications

  • 084 - Music
  • 381 - Electrical audio signal processing systems and devices
  • 984 - Musical instruments