920743

Information

• Patent Grant
• 920743

• References
• Source

• Patent Number

  920,743

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1909
  115 years ago

• CPC

  • F16L41/082 - Non-disconnectible joints
  • Y10S122/16 - Welding
  • Y10T16/42 - Ring ferrules
  • Y10T29/49437 - Flue connector device making
  • Y10T292/82 - Knobs

• US Classifications

  • 285 - Pipe joints or couplings
  • 016 - Miscellaneous hardware
  • 029 - Metal working
  • 122 - Liquid heaters and vaporizers
  • 164 - Metal founding
  • 219 - Electric heating
  • 228 - Metal fusion bonding
  • 292 - Closure fasteners
  • 301 - Land vehicles: wheels and axles