1812147

Information

• Patent Grant
• 1812147

• References
• Source

• Patent Number

  1,812,147

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1931
  93 years ago

• CPC

  • B23G5/062 - with a guiding means part
  • B23G2210/21 - Threads in nuts
  • Y10T408/9046 - including tapered section

• US Classifications

  • 470 - Threaded, headed fastener, or washer making: process and apparatus
  • 408 - Cutting by use of rotating axially moving tool