1729640

Information

• Patent Grant
• 1729640

• References
• Source

• Patent Number

  1,729,640

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1929
  95 years ago

• CPC

  • B25B13/14 - by rack and pinion, worm or gear
  • Y10S81/03 - Wrenches, thread-adjustment lock

• US Classifications

  • 081 - Tools