2780944

Information

• Patent Grant
• 2780944

• References
• Source

• Patent Number

  2,780,944

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1957
  67 years ago

• CPC

  • B25B23/00 - Details of, or accessories for, spanners, wrenches, screwdrivers
  • B25B17/00 - Hand-driven gear-operated wrenches or screwdrivers
  • B25B21/007 - Attachments for drilling apparatus for screw or nut setting or loosening
  • F16H61/0293 - the signals being purely mechanical
  • F16H2716/02 - the control being mechanical
  • Y10T408/65 - Means to drive tool

• US Classifications

  • 475 - Planetary gear transmission systems or components
  • 081 - Tools
  • 408 - Cutting by use of rotating axially moving tool