3657962

Information

• Patent Grant
• 3657962

• References
• Source

• Patent Number

  3,657,962

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • E21B19/00 - Handling rods, casings, tubes or the like outside the borehole
  • B23D79/023 - internally
  • Y10T409/501148 - with product handling means
  • Y10T409/501804 - Flash or burr inside hollow work
  • Y10T409/501968 - Transverse burr

• US Classifications

  • 409 - Gear cutting, milling, or planing
  • 228 - Metal fusion bonding