1759327

Information

• Patent Grant
• 1759327

• References
• Source

• Patent Number

  1,759,327

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1930
  95 years ago

• CPC

  • E01B31/15 - by planing or filing
  • Y10S285/922 - Safety and quick release for drill pipes
  • Y10T409/501968 - Transverse burr

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 285 - Pipe joints or couplings