3291962

Information

• Patent Grant
• 3291962

• References
• Source

• Patent Number

  3,291,962

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1966
  57 years ago

• CPC

  • F22B37/225 - Arrangements on drums or collectors for fixing tubes or for connecting collectors to each other
  • B23K9/0288 - for welding of tubes to tube plates
  • F22B37/104 - Connection of tubes one with the other or with collectors, drums or distributors

• US Classifications

  • 219 - Electric heating
  • 122 - Liquid heaters and vaporizers
  • 228 - Metal fusion bonding