1547440

Information

• Patent Grant
• 1547440

• References
• Source

• Patent Number

  1,547,440

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1925
  99 years ago

• CPC

  • B08B9/0553 - Cylindrically shaped pigs
  • F28G1/12 - Fluid-propelled scrapers, bullets, or like solid bodies
  • F41B11/87 - for industrial purposes
  • F16L2101/12 - Cleaning

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning