1777555

Information

• Patent Grant
• 1777555

• References
• Source

• Patent Number

  1,777,555

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1930
  94 years ago

• CPC

  • F28F9/266 - by screw-type connections
  • Y10T29/49378 - Finned tube

• US Classifications

  • 165 - Heat exchange
  • 029 - Metal working