US3145011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve mechanism
Assignee: UNI VALVE CORP
•
Filing: 1961-09-28
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Granted: 1964-08-18
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Expires: 1981-09-28
Abstract
No abstract record available.
Inventors
- 👤 Henry C Kappel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:16
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/44; B65D83/48; B65D83/16; B65D83/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A VALVE ASSEMBLY: AN OPEN TOP VALVE HOUSING; A GASKET CLOSING SAID TOP; A VALVE RECIPROCABLE IN THE HOUSING, SAID VALVE HAVING A WALL PROVIDED WITH A CONTINUOUS TERMINAL EDGE AND DEFINING A CAVITY HAVING A BOTTOM; RESILIENT MEANS IN THE HOUSING YIELDABLY BIASING THE VALVE TOWARD ONE END OF ITS PATH OF TRAVEL WITH SAID EDGE ENGAGING THE INNER FACE OF SAID GASKET, CLOSING THE CAVITY;
Claim 2
Dependent Claim
68 words
IN A VALVE ASSEMBLY: AN OPEN TOP VALVE HOUSING; A GASKET CLOSING SAID TOP; A VALVE RECIPROCABLE IN THE HOUSING, SAID VALVE HAVING A WALL PROVIDED WITH A CONTINUOUS TERMINAL EDGE AND DEFINING A CAVITY HAVING A BOTTOM; RESILIENT MEANS IN THE HOUSING YIELDABLY BIASING THE VALVE TOWARD ONE END OF ITS PATH OF TRAVEL WITH SAID EDGE ENGAGING THE INNER FACE OF SAID GASKET, CLOSING THE CAVITY;
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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) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |