3452535

Information

• Patent Grant
• 3452535

• References
• Source

• Patent Number

  3,452,535

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • G04B19/264 - with indicators for biological cycles
  • G04B19/24 - Clocks or watches with date or week-day indicators

• US Classifications

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