2257121

Information

• Patent Grant
• 2257121

• References
• Source

• Patent Number

  2,257,121

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1941
  83 years ago

• CPC

  • B23G5/12 - self-releasing
  • Y10T408/551 - with means actuated by work to release Tool from fixed position in Tool support
  • Y10T408/85 - to move radially

• US Classifications

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