3720259

Information

• Patent Grant
• 3720259

• References
• Source

• Patent Number

  3,720,259

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • F28D7/04 - the conduits being spirally coiled
  • F28D7/08 - the conduits being otherwise bent
  • F28F9/0135 - formed by grids having only one tube per closed grid opening
  • Y10S165/424 - forming grid structure

• US Classifications

  • 165 - Heat exchange