3849854

Information

• Patent Grant
• 3849854

• References
• Source

• Patent Number

  3,849,854

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • F28F21/084 - from aluminium or aluminium alloys
  • B21D53/085 - with fins places on zig-zag tubes or parallel tubes
  • F28F9/268 - by permanent joints
  • Y10T29/4938 - Common fin traverses plurality of tubes
  • Y10T29/49396 - Condenser, evaporator or vaporizer making
  • Y10T29/49803 - Magnetically shaping

• US Classifications

  • 029 - Metal working
  • 228 - Metal fusion bonding