1778748

Information

• Patent Grant
• 1778748

• References
• Source

• Patent Number

  1,778,748

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1930
  94 years ago

• CPC

  • B25B13/16 - by screw or nut
  • B25B13/12 - the jaws being slidable
  • Y10S81/06 - Spring means biasing wrench jaws

• US Classifications

  • 081 - Tools