3693345

Information

• Patent Grant
• 3693345

• References
• Source

• Patent Number

  3,693,345

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • G04B19/25306 - Independent date indicating devices activated by hand or by clockwork

• US Classifications

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