3845614

Information

• Patent Grant
• 3845614

• References
• Source

• Patent Number

  3,845,614

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1974
  50 years ago

• CPC

  • G04C19/02 - by electric lamps
  • G04B25/005 - in alarm clocks

• US Classifications

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