1769987

Information

• Patent Grant
• 1769987

• References
• Source

• Patent Number

  1,769,987

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1930
  94 years ago

• CPC

  • F28G1/163 - from internal surfaces of heat exchange conduits
  • F23J3/02 - Cleaning furnace tubes Cleaning flues or chimneys
  • F28D17/02 - using rigid bodies
  • Y10S165/011 - Reciprocating cleaner device

• US Classifications

  • 165 - Heat exchange