Patent US3345648A successfully refreshed from Google Patents.
US3345648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flush-tank outlet valve
Assignee: Individual
•
Filing: 1965-06-15
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Granted: 1967-10-10
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Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Martin J Rafferty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:08
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN ADJUNCT TO FLUSH-TANK OUTLET VALVES FOR REGULATING THE DEPTH OF WATER DISCHARGED FROM A FLUSH TANK BEFORE THE VALVE CLOSES COMPRISING A CUP-SHAPED CONTROL DEVICE IMMERSIBLE IN THE WATER OF A FLUSH-TANK, SAID DEVICE BEING UPWARDLY OPEN FOR BEING FILLED WITH WATER UPON IMMERSION, SAID DEVICE HAVING DRAIN HOLES AT ITS BOTTOM ADAPTED TO DISCHAGE THE WATER FROM SAID DEVICE, AND A REGULATOR CONTROLLING RATE OF DISCHARGE OF WATER FROM SAID DEVICE.
Claim 2
Dependent Claim
73 words
AN ADJUNCT TO FLUSH-TANK OUTLET VALVES FOR REGULATING THE DEPTH OF WATER DISCHARGED FROM A FLUSH TANK BEFORE THE VALVE CLOSES COMPRISING A CUP-SHAPED CONTROL DEVICE IMMERSIBLE IN THE WATER OF A FLUSH-TANK, SAID DEVICE BEING UPWARDLY OPEN FOR BEING FILLED WITH WATER UPON IMMERSION, SAID DEVICE HAVING DRAIN HOLES AT ITS BOTTOM ADAPTED TO DISCHAGE THE WATER FROM SAID DEVICE, AND A REGULATOR CONTROLLING RATE OF DISCHARGE OF WATER FROM SAID DEVICE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |