755436

Information

• Patent Grant
• 755436

• References
• Source

• Patent Number

  755,436

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1904
  120 years ago

• CPC

  • B21C37/08 - Making tubes with welded or soldered seams
  • B21C37/0826 - Preparing the edges of the metal sheet with the aim of having some effect on the weld
  • B21C37/083 - Supply, or operations combined with supply, of strip material

• US Classifications

  • 228 - Metal fusion bonding
  • 138 - Pipes and tubular conduits
  • 219 - Electric heating