2273683

Information

• Patent Grant
• 2273683

• References
• Source

• Patent Number

  2,273,683

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1942
  82 years ago

• CPC

  • B23C3/056 - for taps or valves
  • Y10T408/5587 - Valve fitting

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool