Patent US3626520A successfully refreshed from Google Patents.
US3626520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control tank for a water closet
Assignee: Individual
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Filing: 1970-03-26
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Granted: 1971-12-14
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Expires: 1990-03-26
Abstract
Abstract WATER CLOSET SUPPLY TANKS OF THE TYPE EMBODYING A FLOAT REGULATING THE WATER SUPPLY, ACCORDING AS THE LEVEL OF WATER RISES IN SAID TANK. PARTICULARLY, A CONTROL TANK POSITIONED WITHIN SAID TANK, SO AS TO ENCOMPASS THE FLOAT AND ENSURE CUTTING OFF OF THE WATER SUPPLY, IF THE DISCHARGE VALVE REMAINS OPEN IN THE WATER TANK.
Inventors
- 👤 Frank D Biniores
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:30
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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 |