3690560

Information

• Patent Grant
• 3690560

• References
• Source

• Patent Number

  3,690,560

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • E04F17/126 - with water flushing
  • Y10S239/13 - Soot blowers and tube cleaners

• US Classifications

  • 239 - Fluid sprinkling, spraying, and diffusing
  • 118 - Coating apparatus
  • 169 - Fire extinguishers