3790740

Information

• Patent Grant
• 3790740

• References
• Source

• Patent Number

  3,790,740

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1974
  50 years ago

• CPC

  • B23K9/20 - Stud welding
  • B23K9/202 - by means of portable equipment
  • B23K9/208 - Ferrules

• US Classifications

  • 219 - Electric heating