Patent US3108286A successfully refreshed from Google Patents.
US3108286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve mechanism for flush tanks
Assignee: Individual
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Filing: 1962-10-31
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Granted: 1963-10-29
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Harry O Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:12
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A VALVE MECHANISM FOR USE WITH A FLUSH TANK NORMALLY FILLED WITH WATER TO A PREDETERMINED LEVEL AND WHEREIN THE LOWER PORTION OF SAID TANK IS PROVIDED WITH A VALVE SEAT DEFINING A DISCHARGE OUTLET THEREIN, SAID VALVE MECHANISM COMPRISING (A) A VALVE MEMBER ADAPTED TO ENGAGE SAID SEAT AND CLOSE SAID OUTLET AGAINST LEAKAGE OF WATER THERETHROUGH AND ADAPTED TO BE LIFTED OFF SAID SEAT TO OPEN SAID OUTLET, (B) PERMANENT MAGNET MEANS FOR HOLDING SAID VALVE MEMBER IN SPACED RELATION ABOVE SAID OUTLET WHEN SAID VALVE MEMBER IS LIFTED OFF SAID SEAT, AND (C) MEANS RESPONSIVE TO PREDETERMINED LOWERING OF THE LEVEL OF THE WATER IN THE TANK FOR OVERCOMING THE STRENGTH OF THE MAGNETIC FIELD OF SAID PERMANENT MAGNET MEANS AND CAUSING SAID VALVE MEMBER TO DROP INTO ENGAGEMENT WITH SAID SEAT TO CLOSE SAID DISCHARGE OUTLET.
Claim 2
Dependent Claim
140 words
A VALVE MECHANISM FOR USE WITH A FLUSH TANK NORMALLY FILLED WITH WATER TO A PREDETERMINED LEVEL AND WHEREIN THE LOWER PORTION OF SAID TANK IS PROVIDED WITH A VALVE SEAT DEFINING A DISCHARGE OUTLET THEREIN, SAID VALVE MECHANISM COMPRISING (A) A VALVE MEMBER ADAPTED TO ENGAGE SAID SEAT AND CLOSE SAID OUTLET AGAINST LEAKAGE OF WATER THERETHROUGH AND ADAPTED TO BE LIFTED OFF SAID SEAT TO OPEN SAID OUTLET, (B) PERMANENT MAGNET MEANS FOR HOLDING SAID VALVE MEMBER IN SPACED RELATION ABOVE SAID OUTLET WHEN SAID VALVE MEMBER IS LIFTED OFF SAID SEAT, AND (C) MEANS RESPONSIVE TO PREDETERMINED LOWERING OF THE LEVEL OF THE WATER IN THE TANK FOR OVERCOMING THE STRENGTH OF THE MAGNETIC FIELD OF SAID PERMANENT MAGNET MEANS AND CAUSING SAID VALVE MEMBER TO DROP INTO ENGAGEMENT WITH SAID SEAT TO CLOSE SAID DISCHARGE OUTLET.
References Cited (Backward Citations)
US2056087A
Cited
US2495213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |