3240414

Information

• Patent Grant
• 3240414

• References
• Source

• Patent Number

  3,240,414

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1966
  58 years ago

• CPC

  • B23K13/046 - for tubes

• US Classifications

  • 228 - Metal fusion bonding
  • 219 - Electric heating
  • 492 - Roll or roller