3021537

Information

• Patent Grant
• 3021537

• References
• Source

• Patent Number

  3,021,537

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1962
  62 years ago

• CPC

  • B21D53/24 - nuts or like thread-engaging members
  • Y10S411/967 - Deformable bolthead or nut
  • Y10S411/968 - Deformable base member
  • Y10S411/998 - with positive bolt lock

• US Classifications

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