254077

Information

• Patent Grant
• 254077

• References
• Source

• Patent Number

  254,077

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1882
  143 years ago

• CPC

  • F28D3/02 - with tubular conduits
  • Y10S165/165 - Film formed on spirally coiled member

• US Classifications

  • 165 - Heat exchange