3272250

Information

• Patent Grant
• 3272250

• References
• Source

• Patent Number

  3,272,250

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1966
  58 years ago

• CPC

  • F16B39/28 - by special members on, or shape of, the nut or bolt
  • F16B37/12 - with thread-engaging surfaces formed by inserted coil-springs, discs, or the like Independent pieces of wound wire used as nuts Threaded inserts for holes
  • Y10S411/937 - Distorted nut
  • Y10S411/967 - Deformable bolthead or nut

• US Classifications

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