90151

Information

• Patent Grant
• 90151

• References
• Source

• Patent Number

  90,151

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1869
  155 years ago

• CPC

  • B23D77/042 - by means of oblique planes
  • Y10T82/128 - Pivoted to tool-carrier
  • Y10T408/858946 - with travelling wedge

• US Classifications

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