2975866

Information

• Patent Grant
• 2975866

• References
• Source

• Patent Number

  2,975,866

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1961
  63 years ago

• CPC

  • F03G1/00 - Spring-motor
  • F03G2730/03 - Spring motors with torsion springs

• US Classifications

  • 185 - Motors: spring, weight, or animal powered