Alarming plumbing screen

A plumbing screen is provided having an annular seal that is adapted to fittingly conform to the internal surface of a toilet drain. The annular seal circumscribes a central screen that provides free fluid communication down the toilet drain but provides physical impingement for obstructions. At lea...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HADDOCK JOHN, MOORE, JR. ALLEN
Format:	Patent
Sprache:	eng
Schlagworte:	FIXED CONSTRUCTIONS FLUSHING VALVES THEREFOR SEWERAGE WATER SUPPLY WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES
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