3884809

Information

• Patent Grant
• 3884809

• References
• Source

• Patent Number

  3,884,809

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1975
  49 years ago

• CPC

  • E04D13/0409 - Drainage outlets
  • E04D2013/0413 - Strainers for drainage outlets
  • E04D2013/0422 - for draining water above the roof level
  • E04D2013/0427 - with means for controlling the flow in the outlet
  • E04D2013/0436 - with sealing means

• US Classifications

  • 210 - Liquid purification or separation