2180536

Information

• Patent Grant
• 2180536

• References
• Source

• Patent Number

  2,180,536

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1939
  86 years ago

• CPC

  • B23G1/185 - specially adapted for making nuts

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus