1449243

Information

• Patent Grant
• 1449243

• References
• Source

• Patent Number

  1,449,243

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1923
  101 years ago

• CPC

  • B21K1/705 - Castellated nuts
  • F16B39/284 - Locking by means of elastic deformation
  • Y10S411/945 - Cross key

• US Classifications

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