3007022

Information

• Patent Grant
• 3007022

• References
• Source

• Patent Number

  3,007,022

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1961
  63 years ago

• CPC

  • B23K13/06 - characterised by the shielding of the welding zone against influence of the surrounding atmosphere
  • B23K11/0935 - of tube sections

• US Classifications

  • 219 - Electric heating