1641994

Information

• Patent Grant
• 1641994

• References
• Source

• Patent Number

  1,641,994

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1927
  97 years ago

• CPC

  • B25B27/30 - positioning or withdrawing springs
  • B25B9/00 - Hand-held gripping tools other than those covered by group B25B7/00
  • Y10T29/53617 - Transmission spring
  • Y10T29/53943 - Hand gripper for direct push or pull

• US Classifications

  • 029 - Metal working
  • 081 - Tools