2856617

Information

• Patent Grant
• 2856617

• References
• Source

• Patent Number

  2,856,617

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • B21K1/54 - with grooves or notches
  • F16B35/005 - Set screws; Locking means therefor

• US Classifications

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