3491257

Information

• Patent Grant
• 3491257

• References
• Source

• Patent Number

  3,491,257

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • H02N2/101 - using intermittent driving
  • G04C3/101 - constructional details

• US Classifications

  • 310 - Electrical generator or motor structure
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology