3648006

Information

• Patent Grant
• 3648006

• References
• Source

• Patent Number

  3,648,006

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • C21D9/50 - for welded joints
  • B23K11/0086 - Grids or mats used in concrete structures

• US Classifications

  • 219 - Electric heating