1670296

Information

• Patent Grant
• 1670296

• References
• Source

• Patent Number

  1,670,296

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1928
  96 years ago

• CPC

  • B21K1/704 - Cap nuts

• US Classifications

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