2838693

Information

• Patent Grant
• 2838693

• References
• Source

• Patent Number

  2,838,693

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1958
  66 years ago

• CPC

  • G04C3/062 - the balance controlling contacts, the gear-train or several gear-trains being driven electro-magnetically thereby
  • Y10T307/872 - Repetitive make and break

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology