2389989

Information

• Patent Grant
• 2389989

• References
• Source

• Patent Number

  2,389,989

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1945
  79 years ago

• CPC

  • F16B37/06 - by means of welding or riveting
  • F16B37/064 - with the use of separate rivets

• US Classifications

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