US3122318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ambient pressure responsive fluid flow controlling mechanism
Assignee: Garrett Corp
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Filing: 1959-06-11
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Granted: 1964-02-25
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Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 Robert A Null
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:34
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/044; F24F3/048; F24F3/052; F24F3/0522; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/138; G05D7/00; G05D7/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7769; Y10T137/777; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/7812; Y10T137/7818
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
APPARATUS FOR CONTROLLING THE TEMPERATURE OF A CONDITIONING FLUID IN A DUCT ACCORDING TO A PREDETERMINED TEMPERATURE SCHEDULE AND IN RESPONSE TO AMBIENT PRESSURE, SAID DUCT HAVING A VALVE ELEMENT THEREIN, SUCH APPARATUS COMPRISING: A FLUID PRESSURE RESPONSIVE ACTUATOR ADAPTED TO BE OPERATIVELY CONNECTED TO SAID VALVE; PASSAGE MEANS LEADING FROM A SOURCE OF FLUID PRESSURE TO SAID ACTUATOR, SAID PASSAGE MEANS HAVING A FLOW RESTRICTION THEREIN; BLEED VALVE MEANS COMMUNICATING WITH SAID
References Cited (Backward Citations)
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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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |