1139806

Information

• Patent Grant
• 1139806

• References
• Source

• Patent Number

  1,139,806

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1915
  110 years ago

• CPC

  • G04D3/045 - for lever, Impulse-pin
  • Y10T29/21 - Finger-ring forming or sizing

• US Classifications

  • 081 - Tools
  • 029 - Metal working
  • 294 - Handling: hand and hoist-line implements