2243923

Information

• Patent Grant
• 2243923

• References
• Source

• Patent Number

  2,243,923

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1941
  83 years ago

• CPC

  • F16B37/044 - Nut cages
  • B21D39/03 - of sheet metal otherwise than by folding
  • Y10S411/971 - And side lock
  • Y10T29/49847 - by folding part into plural ears
  • Y10T29/49922 - by bending over projecting prongs

• US Classifications

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