2887694

Information

• Patent Grant
• 2887694

• References
• Source

• Patent Number

  2,887,694

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1959
  65 years ago

• CPC

  • B21K1/54 - with grooves or notches
  • B21J5/12 - Forming profiles on internal or external surfaces
  • B21K1/60 - hollow or semi-hollow rivets
  • B21K21/12 - Shaping end portions of hollow articles
  • F16B19/1081 - fastened by a drive-pin

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener