1621227

Information

• Patent Grant
• 1621227

• References
• Source

• Patent Number

  1,621,227

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1927
  97 years ago

• CPC

  • B23D77/042 - by means of oblique planes
  • B23D2277/56 - comprising an indication scale
  • Y10T279/17017 - Self-centering of floating
  • Y10T408/85895 - Traveling wedge

• US Classifications

  • 279 - Chucks or sockets
  • 408 - Cutting by use of rotating axially moving tool
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener