3748687

Information

• Patent Grant
• 3748687

• References
• Source

• Patent Number

  3,748,687

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • F16F1/14 - Torsion springs consisting of bars or tubes
  • E05F13/02 - by devices
  • Y10T16/599 - torsional

• US Classifications

  • 016 - Miscellaneous hardware
  • 267 - Spring devices