3318991

Information

• Patent Grant
• 3318991

• References
• Source

• Patent Number

  3,318,991

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1967
  57 years ago

• CPC

  • G10H1/46 - Volume control
  • G10H2230/245 - Spint accordion, i.e. mimicking accordions Electrophonic instruments with one or more typical accordion features

• US Classifications

  • 084 - Music
  • 984 - Musical instruments