3798889

Information

• Patent Grant
• 3798889

• References
• Source

• Patent Number

  3,798,889

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • G04C19/02 - by electric lamps

• US Classifications

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