1756378

Information

• Patent Grant
• 1756378

• References
• Source

• Patent Number

  1,756,378

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1930
  95 years ago

• CPC

  • B08B9/0554 - Diablo shaped pigs
  • F28G1/12 - Fluid-propelled scrapers, bullets, or like solid bodies

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning
  • 166 - Wells