2876617

Information

• Patent Grant
• 2876617

• References
• Source

• Patent Number

  2,876,617

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1959
  65 years ago

• CPC

  • H04M1/21 - Combinations with auxiliary equipment
  • G04B5/20 - by movements of other objects

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 379 - Telephonic communications
  • 968 - Horology
  • D10 - Measuring, testing, or signalling instruments