3422517

Information

• Patent Grant
• 3422517

• References
• Source

• Patent Number

  3,422,517

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  55 years ago

• CPC

  • B23K9/0052 - Welding of pipe panels
  • F22B37/102 - Walls built-up from finned tubes
  • Y10T29/49378 - Finned tube
  • Y10T29/49393 - with metallurgical bonding

• US Classifications

  • 029 - Metal working
  • 219 - Electric heating
  • 228 - Metal fusion bonding