US3075541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alternating seating faucet valve
Assignee: Individual
•
Filing: 1959-12-09
•
Granted: 1963-01-29
•
Expires: 1979-12-09
Abstract
No abstract record available.
Inventors
- 👤 William F Hajek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:52
CPC Classifications
F; F16; F16K; F16K43/00; F16K43/005; F16K43/006; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/8593; Y10T137/87917; Y10T137/87981; Y10T137/87997; Y10T137/88062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A FAUCET, A CASING HAVING AN INLET AND OUTLET FOR A FLUID, A PARTITION IN SAID CASING BETWEEN SAID INLET AND OUTLET HAVING A PASSAGE THERETHROUGH, A VALVE SEAT AT EACH END OF SAID PASSAGE, A VALVE STEM EXTENDING THROUGH SAID PASSAGE, A VALVE ELEMENT ON SAID STEM FOR EACH SAID SEAT EITHER OF WHICH MAY BE UTILIZED TO CLOSE SAID PASSAGE, AT LEAST ONE OF SAID VALVE ELEMENTS FREELY FLOATING ON SAID STEM TO AFFORD A GRADUAL INCREASE IN FLOW FROM THE FAUCET TO AVOID SPLASHING FROM PENT-UP PRESSURE, RETAINING MEANS ON SAID STEM TO LIMIT THE MOVEMENT OF THE VALVE ELEMENTS RELATIVELY TO SAID STEM, MEANS TO RECIPROCATE SAID STEM AND SELECTIVELY HOLD EITHER VALVE ELEMENT ON ITS RESPECTIVE SEAT, SAID CASING HAVING AN OPENING THEREIN THROUGH WHICH THE RETAINING MEANS FOR ONE OF SAID VALVE ELEMENTS MAY BE REMOVED TO REPLACE THE ELEMENT WHILE THE OTHER VALVE ELEMENT BLOCKS FLOW THROUGH SAID PASSAGE, AND A COVER FOR SAID OPENING.
Claim 2
Dependent Claim
163 words
IN A FAUCET, A CASING HAVING AN INLET AND OUTLET FOR A FLUID, A PARTITION IN SAID CASING BETWEEN SAID INLET AND OUTLET HAVING A PASSAGE THERETHROUGH, A VALVE SEAT AT EACH END OF SAID PASSAGE, A VALVE STEM EXTENDING THROUGH SAID PASSAGE, A VALVE ELEMENT ON SAID STEM FOR EACH SAID SEAT EITHER OF WHICH MAY BE UTILIZED TO CLOSE SAID PASSAGE, AT LEAST ONE OF SAID VALVE ELEMENTS FREELY FLOATING ON SAID STEM TO AFFORD A GRADUAL INCREASE IN FLOW FROM THE FAUCET TO AVOID SPLASHING FROM PENT-UP PRESSURE, RETAINING MEANS ON SAID STEM TO LIMIT THE MOVEMENT OF THE VALVE ELEMENTS RELATIVELY TO SAID STEM, MEANS TO RECIPROCATE SAID STEM AND SELECTIVELY HOLD EITHER VALVE ELEMENT ON ITS RESPECTIVE SEAT, SAID CASING HAVING AN OPENING THEREIN THROUGH WHICH THE RETAINING MEANS FOR ONE OF SAID VALVE ELEMENTS MAY BE REMOVED TO REPLACE THE ELEMENT WHILE THE OTHER VALVE ELEMENT BLOCKS FLOW THROUGH SAID PASSAGE, AND A COVER FOR SAID OPENING.
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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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |