2832251

Information

• Patent Grant
• 2832251

• References
• Source

• Patent Number

  2,832,251

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1958
  67 years ago

• CPC

  • G10H1/344 - Structural association with individual keys
  • G10C3/12 - Keyboards Keys
  • G10H2220/285 - with three contacts, switches or sensor triggering levels along the key kinematic path

• US Classifications

  • 084 - Music
  • 984 - Musical instruments