2877781

Information

• Patent Grant
• 2877781

• References
• Source

• Patent Number

  2,877,781

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1959
  66 years ago

• CPC

  • E03C1/30 - Devices to facilitate removing of obstructions in waste-pipes or sinks
  • B08B2209/024 - by creating a shock wave in the cleaning liquid

• US Classifications

  • 134 - Cleaning and liquid contact with solids
  • 015 - Brushing, scrubbing, and general cleaning
  • 089 - Ordnance