3308907

Information

• Patent Grant
• 3308907

• References
• Source

• Patent Number

  3,308,907

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1967
  58 years ago

• CPC

  • F03G1/04 - using rubber springs

• US Classifications

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