3130538

Information

• Patent Grant
• 3130538

• References
• Source

• Patent Number

  3,130,538

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1964
  60 years ago

• CPC

  • G04B1/185 - Friction clutch between spring and spring cylinder

• US Classifications

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