US3156258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow limiting device
Assignee: Lockheed Martin Corp
•
Filing: 1962-04-19
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Granted: 1964-11-10
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Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Dale R Moody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:11
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; G05D7/0133; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7778; Y10T137/7781; Y10T137/7784; Y10T137/7792
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A FLUID FLOW REGULATOR COMPRISING IN COMBINATION: A HOUSING; A VALVE CHAMBER IN SAID HOUSING HAVING AN INLET AND OUTLET AND A PORT COMMUNICATING WITH THE OUTLET; A RECIPROCABLE PISTON-TYPE VALVE MEMBER IN SAID VALVE CHAMBER EXPOSED TO FLUID PRESSURE AND OPERATIVE TO THROTTLE FLUID FLOW THROUGH SAID PORT, SAID VALVE MEMBER HAVING A METERING ORIFICE THROUGH WHICH FLUID PASSES FROM SAID INLET TO SAID PORT; RESILIENT MEANS ASSOCIATED WITH SAID CHAMBER BIASING SAID VALVE MEMBER IN THE OPEN POSITION AND AGAINST MOVEMENT TOWARD THE CLOSING POSITION; AN
Claim 2
Dependent Claim
88 words
A FLUID FLOW REGULATOR COMPRISING IN COMBINATION: A HOUSING; A VALVE CHAMBER IN SAID HOUSING HAVING AN INLET AND OUTLET AND A PORT COMMUNICATING WITH THE OUTLET; A RECIPROCABLE PISTON-TYPE VALVE MEMBER IN SAID VALVE CHAMBER EXPOSED TO FLUID PRESSURE AND OPERATIVE TO THROTTLE FLUID FLOW THROUGH SAID PORT, SAID VALVE MEMBER HAVING A METERING ORIFICE THROUGH WHICH FLUID PASSES FROM SAID INLET TO SAID PORT; RESILIENT MEANS ASSOCIATED WITH SAID CHAMBER BIASING SAID VALVE MEMBER IN THE OPEN POSITION AND AGAINST MOVEMENT TOWARD THE CLOSING POSITION; AN
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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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |