1639078

Information

• Patent Grant
• 1639078

• References
• Source

• Patent Number

  1,639,078

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1927
  97 years ago

• CPC

  • B25B13/463 - a pawl engaging an externally toothed wheel
  • Y10S81/06 - Spring means biasing wrench jaws

• US Classifications

  • 081 - Tools
  • D08 - Tools and hardware