3491837

Information

• Patent Grant
• 3491837

• References
• Source

• Patent Number

  3,491,837

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1970
  55 years ago

• CPC

  • B25B13/48 - for special purposes
  • B25B23/14 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
  • B25B23/145 - specially adapted for fluid operated wrenches or screwdrivers
  • B60B29/006 - with electric or pneumatic drive
  • Y10T29/53687 - by rotation of work part

• US Classifications

  • 173 - Tool driving or impacting
  • 029 - Metal working
  • 073 - Measuring and testing
  • 081 - Tools
  • 091 - Motors: expansible chamber type