US3342451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve
Assignee: Nupro Co
•
Filing: 1964-04-20
•
Granted: 1967-09-19
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Matousek Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:34
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METERING VALVE COMPRISING A VALVE BODY HAVING A LONGITUDINALLY EXTENDING CENTRAL CAVITY FORMED WHEREIN: AN INLET PORT COMMUNICATING WITH THE CENTRAL CAVITY; INLET PORT CLOSURE MEANS IN THE CENTRAL CAVITY AND BEING MOVABLE TOWARD AND AWAY FROM THE INLET PORT; STEM MEANS DISPOSED IN THE CAVITY, WITH ONE END OF SAID STEM PROJECTING EXTERIOR OF THE VALVE BODY; AND RESILIENT MEANS INTERPOSED BETWEEN THE OTHER END OF SAID STEM AND SAID INLET PORT CLOSURE MEANS; MOVEMENT OF SAID STEM MEANS IN ONE DIRECTION COMPRESSING SAID RESILIENT MEANS BETWEEN SAID STEM MEANS AND SAID CLOSURE MEANS WITH SAID RESILIENT MEANS PREVENTING ENGAGEMENT OF SAID STEM MEANS WITH SAID CLOSURE MEANS IN SAID ONE DIRECTION.
Claim 2
Dependent Claim
114 words
A METERING VALVE COMPRISING A VALVE BODY HAVING A LONGITUDINALLY EXTENDING CENTRAL CAVITY FORMED WHEREIN: AN INLET PORT COMMUNICATING WITH THE CENTRAL CAVITY; INLET PORT CLOSURE MEANS IN THE CENTRAL CAVITY AND BEING MOVABLE TOWARD AND AWAY FROM THE INLET PORT; STEM MEANS DISPOSED IN THE CAVITY, WITH ONE END OF SAID STEM PROJECTING EXTERIOR OF THE VALVE BODY; AND RESILIENT MEANS INTERPOSED BETWEEN THE OTHER END OF SAID STEM AND SAID INLET PORT CLOSURE MEANS; MOVEMENT OF SAID STEM MEANS IN ONE DIRECTION COMPRESSING SAID RESILIENT MEANS BETWEEN SAID STEM MEANS AND SAID CLOSURE MEANS WITH SAID RESILIENT MEANS PREVENTING ENGAGEMENT OF SAID STEM MEANS WITH SAID CLOSURE MEANS IN SAID ONE DIRECTION.
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |