3177975

Information

• Patent Grant
• 3177975

• References
• Source

• Patent Number

  3,177,975

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1965
  59 years ago

• CPC

  • G04B1/105 - having a form other than a helix
  • G04B1/22 - Compensation of changes in the motive power of the mainspring
  • G04F3/027 - using electrical contacts

• US Classifications

  • 185 - Motors: spring, weight, or animal powered
  • 267 - Spring devices
  • 968 - Horology