US3238962A
Expired / Lapsed
US
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Fluid-pressure function generators
Assignee: Yarrow and Co Ltd
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Filing: 1963-05-22
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Granted: 1966-03-08
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Read Colin Martin Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:12
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87893; Y10T137/87917; Y10T137/88054; Y10T137/88062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A FLUID-PRESSURE VARIABLE FUNCTION GENERATOR, WHICH COMPRISES A CHAMBER, AN INLET CONDUIT COMMUNICATING WITH THE INTERIOR OF THE CHAMBER, AN INLET CONSTRICTION FORMED IN THE INLET CONDUIT, A PLURALITY OF OUTLET CONDUITS COMMUNICATING WITH THE INTERIOR OF THE CHAMBER, A PLURALITY OF ADJUSTABLE THROTTLE VALVE MEANS FITTED ONE IN EACH OUTLET CONDUIT, A PLURALITY OF RELIEF VALVE MEANS FITTED ONE IN EACH OUTLET CONDUIT AND EACH ARRANGED TO OPEN AT A DETERMINED VALUE OF THE FLUID PRESSURE WITHIN THE CHAMBER, AND PRESSURE RESPONSIVE MEANS RESPONSIVE TO THE PRESSURE OF THE FLUID IN THE SAID CHAMBER.
Claim 2
Dependent Claim
95 words
A FLUID-PRESSURE VARIABLE FUNCTION GENERATOR, WHICH COMPRISES A CHAMBER, AN INLET CONDUIT COMMUNICATING WITH THE INTERIOR OF THE CHAMBER, AN INLET CONSTRICTION FORMED IN THE INLET CONDUIT, A PLURALITY OF OUTLET CONDUITS COMMUNICATING WITH THE INTERIOR OF THE CHAMBER, A PLURALITY OF ADJUSTABLE THROTTLE VALVE MEANS FITTED ONE IN EACH OUTLET CONDUIT, A PLURALITY OF RELIEF VALVE MEANS FITTED ONE IN EACH OUTLET CONDUIT AND EACH ARRANGED TO OPEN AT A DETERMINED VALUE OF THE FLUID PRESSURE WITHIN THE CHAMBER, AND PRESSURE RESPONSIVE MEANS RESPONSIVE TO THE PRESSURE OF THE FLUID IN THE SAID CHAMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |