3291474

Information

• Patent Grant
• 3291474

• References
• Source

• Patent Number

  3,291,474

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1966
  58 years ago

• CPC

  • F03G1/00 - Spring-motor
  • F03G2730/01 - Spring motors with spiral springs

• US Classifications

  • 267 - Spring devices
  • 060 - Power plants
  • 185 - Motors: spring, weight, or animal powered