US3099286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible valve closure member
Assignee: Skuttle Manufacturing Co
•
Filing: 1960-01-22
•
Granted: 1963-07-30
•
Expires: 1980-01-22
Abstract
No abstract record available.
Inventors
- 👤 Milton A Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:13
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/36; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/6161; Y10T137/6164; Y10T137/6167; Y10T137/6171; Y10T137/6174; Y10T137/6178; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A UNITARY SYMMETRICAL REVERSIBLE VALVE MEMBER INTEGRALLY MADE OF RESILIENT NON-METALLIC MATERIAL AND COMPRISING A SOLID IMPERFORATE INTERMEDIATE WEB SECTION HAVING ON OPPOSITE SIDES SUBSTANTIALLY PARALLEL VALVE CLOSURE SURFACES, AND MEANS PROVIDING INWARDLY OPEN GUIDE RECESSES IN SAID MEMBER EXTENDING FOR SUBSTANTIAL DISTANCES AROUND THE OUTER PERIPHERIES OF CORRESPONDING END PORTIONS OF SAID SURFACES, SAID RECESSES BEING DISCONTINUOUS AT THE OTHER ENDS OF SAID SURFACES AND ADAPTED TO RECEIVE A MOUNTING MEMBER IN REVERSED POSITIONS OF SAID VALVE MEMBER.
Claim 2
Dependent Claim
79 words
A UNITARY SYMMETRICAL REVERSIBLE VALVE MEMBER INTEGRALLY MADE OF RESILIENT NON-METALLIC MATERIAL AND COMPRISING A SOLID IMPERFORATE INTERMEDIATE WEB SECTION HAVING ON OPPOSITE SIDES SUBSTANTIALLY PARALLEL VALVE CLOSURE SURFACES, AND MEANS PROVIDING INWARDLY OPEN GUIDE RECESSES IN SAID MEMBER EXTENDING FOR SUBSTANTIAL DISTANCES AROUND THE OUTER PERIPHERIES OF CORRESPONDING END PORTIONS OF SAID SURFACES, SAID RECESSES BEING DISCONTINUOUS AT THE OTHER ENDS OF SAID SURFACES AND ADAPTED TO RECEIVE A MOUNTING MEMBER IN REVERSED POSITIONS OF SAID VALVE MEMBER.
References Cited (Backward Citations)
US623418A
Cited
US1662291A
Cited
US1551185A
Cited
US2654560A
Cited
US2636518A
Cited
US2824571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |