3890106

Information

• Patent Grant
• 3890106

• References
• Source

• Patent Number

  3,890,106

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • B23P25/00 - Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work
  • B23P15/001 - valves or valve housings
  • C22F1/08 - of copper or alloys based thereon
  • Y10T428/1225 - Symmetrical
  • Y10T428/12389 - having variation in thickness
  • Y10T428/12646 - Group VIII or IB metal-base
  • Y10T428/12993 - Surface feature [e.g., rough, mirror]

• US Classifications

  • 285 - Pipe joints or couplings
  • 428 - Stock material or miscellaneous articles