1944094

Information

• Patent Grant
• 1944094

• References
• Source

• Patent Number

  1,944,094

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1934
  90 years ago

• CPC

  • B21C37/0826 - Preparing the edges of the metal sheet with the aim of having some effect on the weld
  • B21C37/08 - Making tubes with welded or soldered seams

• US Classifications

  • 219 - Electric heating