2641488

Information

• Patent Grant
• 2641488

• References
• Source

• Patent Number

  2,641,488

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1953
  71 years ago

• CPC

  • B21H3/00 - Making helical bodies or bodies having parts of helical shape
  • C21D7/04 - of the surface
  • E21B17/042 - threaded
  • Y10S285/916 - Molecular change

• US Classifications

  • 285 - Pipe joints or couplings