3918251

Information

• Patent Grant
• 3918251

• References
• Source

• Patent Number

  3,918,251

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • G04B19/20 - Indicating by numbered bands, drums, discs, or sheets
  • G04B19/228 - with linear time graduation

• US Classifications

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