Vacuum breaker for faucets
February 2, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesFaucet valve with anti-siphon back flow preventer Faucet valve with anti-siphon back flow preventer Mixing fixture for flexible-pipe spray head Diverter valve and vacuum breaker usable therewith Pipe Interrupter Pipe interrupter Sanitary fitting Sanitary fitting Safety valve arrangement for a single lever water tap Sprayer faucet with antibackflow protection Patent #: 5213268 InventorsAssigneeApplicationNo. 191244 filed on 02/02/1994US Classes:4/677, Having only one actuating means4/678, Faucet or spout137/218With co-acting valve in liquid flow pathExaminersPrimary: Recla, Henry J.Assistant: Vidovich, Gregory M. Attorney, Agent or FirmForeign Patent References
International ClassE03C 001/10AbstractA faucet with a vacuum breaker for a pull-out spray head plumbing fixture is provided. The vacuum breaker is in the faucet housing and provides a guide for and surrounds an extendible and retractable hose connected to the pull-out spray head. The vacuum breaker has a flapper valve stretch fitted over a body member of the vacuum breaker. The body member also affords pivotal attachment of a spout. A tubular guide for the hose also provides a quick connect or disconnect feature.Other References
Field of SearchSUPPLY OUTLET COMBINED WITH A DRAIN, OVERFLOW OR TRAP FOR A SINK OR BATHSupply outlet valve linked to a drain, overflow or trap valve SUPPLY OUTLET FOR A SINK OR BATH Faucet or spout Air vent in liquid flow line Valved With co-acting valve in liquid flow path FAUCETS AND SPOUTS Vacuum relief type Guide stem | |
