2538890

Information

• Patent Grant
• 2538890

• References
• Source

• Patent Number

  2,538,890

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1951
  74 years ago

• CPC

  • B23D21/145 - hand operated
  • Y10S411/948 - Longitudinal key
  • Y10T82/128 - Pivoted to tool-carrier
  • Y10T408/855 - Tool-support including plural, adjustable sections

• US Classifications

  • 030 - Cutlery
  • 082 - Turning
  • 408 - Cutting by use of rotating axially moving tool
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener