2809529

Information

• Patent Grant
• 2809529

• References
• Source

• Patent Number

  2,809,529

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1957
  67 years ago

• CPC

  • F16H15/30 - with internal friction surface
  • B25B17/00 - Hand-driven gear-operated wrenches or screwdrivers
  • B25B21/007 - Attachments for drilling apparatus for screw or nut setting or loosening
  • B25B23/00 - Details of, or accessories for, spanners, wrenches, screwdrivers

• US Classifications

  • 476 - Friction gear transmission systems or components
  • 081 - Tools