2019790

Information

• Patent Grant
• 2019790

• References
• Source

• Patent Number

  2,019,790

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1935
  89 years ago

• CPC

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

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool