1729977

Information

• Patent Grant
• 1729977

• References
• Source

• Patent Number

  1,729,977

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1929
  95 years ago

• CPC

  • B23G1/02 - on an external or internal cylindrical or conical surface
  • Y10S81/901 - Wrench or screwdriver adapted to turn eye screw
  • Y10T29/53365 - Multiple station assembly apparatus

• US Classifications

  • 081 - Tools
  • 029 - Metal working