3521707

Information

• Patent Grant
• 3521707

• References
• Source

• Patent Number

  3,521,707

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1970
  54 years ago

• CPC

  • F28F3/027 - with openings
  • F28F2275/025 - by using adhesives
  • Y10S165/381 - including air fin apertures
  • Y10T29/49378 - Finned tube
  • Y10T29/49904 - Assembling a subassembly, then assembling with a second subassembly

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working