Ventilator for bathrooms
Abstract
Abstract A VENTILATOR FOR BATHROOMS AND THE LIKE WHICH MAY BE EASILY INSTALLED IN EXISTING BATHROOMS AND WHICH IS PROVIDED WITH A HOOD THAT IS PLACED OVER THE OVERFLOW PIPE IN THE WATER TANK. THIS HOOD IS CONNECTED TO A CHANNEL MEMBER THAT TELESCOPES OVER ANOTHER CHANNEL MEMBER TO FACILITATE INSTALLATION OF THE DEVICE. A BLOWER IS CONNECTED TO THE CHANNEL MEMBERS AND ONE EMBODIMENT OF THE DEVICE PROVIDES A FILTER OF ACTIVATED CHARCOAL CONNECTED TO THE CHANNEL JUST AHEAD OF THE BLOWER. ANOTHER EMBODIMENT OF THIS DEVICE EMPLOYS A CHECK VALVE PROVIDED IN THE VENTILATING PIPE OF A TOILET BOWL WHICH IS EQUIPPED WITH A FLUSH TYPE VALVE. THE CHECK VALVE FUNCTIONS TO PREVENT WATER FROM ENTERING THE VENTILATING DUCT DURING FLUSHING OF THE TOILET.
Inventors
- 👤 William L Martz
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |