3340688

Information

• Patent Grant
• 3340688

• References
• Source

• Patent Number

  3,340,688

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1967
  57 years ago

• CPC

  • G04C13/06 - Contact devices

• US Classifications

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