1818698

Information

• Patent Grant
• 1818698

• References
• Source

• Patent Number

  1,818,698

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1931
  93 years ago

• CPC

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

• US Classifications

  • 185 - Motors: spring, weight, or animal powered
  • 337 - Electricity: electrothermally or thermally actuated switches