2972922

Information

• Patent Grant
• 2972922

• References
• Source

• Patent Number

  2,972,922

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1961
  64 years ago

• CPC

  • G10H3/20 - using a tuning fork, rod or tube
  • Y10S84/21 - Mechanical resonator

• US Classifications

  • 084 - Music
  • 984 - Musical instruments