2064759

Information

• Patent Grant
• 2064759

• References
• Source

• Patent Number

  2,064,759

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1936
  88 years ago

• CPC

  • G04F1/063 - using acoustic signalling

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology