3540205

Information

• Patent Grant
• 3540205

• References
• Source

• Patent Number

  3,540,205

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • G04B17/045 - with oscillating blade springs
  • G04C3/101 - constructional details

• US Classifications

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