1645664

Information

• Patent Grant
• 1645664

• References
• Source

• Patent Number

  1,645,664

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1927
  97 years ago

• CPC

  • F23J3/02 - Cleaning furnace tubes Cleaning flues or chimneys
  • Y10T29/4539 - with heater

• US Classifications

  • 029 - Metal working
  • 148 - Metal treatment
  • 406 - Conveyors: fluid current