2158799

Information

• Patent Grant
• 2158799

• References
• Source

• Patent Number

  2,158,799

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1939
  85 years ago

• CPC

  • B23K9/0043 - Locally welding a thin plate to a thick piece

• US Classifications

  • 219 - Electric heating
  • 138 - Pipes and tubular conduits
  • 220 - Receptacles
  • 228 - Metal fusion bonding
  • 285 - Pipe joints or couplings