3604536

Information

• Patent Grant
• 3604536

• References
• Source

• Patent Number

  3,604,536

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1971
  53 years ago

• CPC

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

• US Classifications

  • 185 - Motors: spring, weight, or animal powered
  • 040 - Card, picture, or sign exhibiting
  • 047 - Plant husbandry
  • 060 - Power plants