US3246641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine protective device
Assignee: Motors Liquidation Co
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Filing: 1964-09-23
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Granted: 1966-04-19
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Expires: 1984-09-23
Abstract
No abstract record available.
Inventors
- 👤 Clifford G Goehring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:16
CPC Classifications
F; F01; F01M; F01M1/00; F01M1/18; F01M1/20; F01M1/22; F01M1/24; F02; F02B; F02B77/00; F02B77/08; F02B77/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861; Y10T137/87869
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A COMBINATION PROTECTIVE DEVICE ADAPTED TO BE CONNECTED WITH A PLURALITY OF EXTERNAL FLUID PRESSURE SOURCES AND COMPRISING: A UNITARY HOUSING CONTAINING FLUID INLET MEANS, FLUID OUTLET MEANS AND A PLURALITY OF VALVE OPENINGS, EACH CONNECTING THE INLET MEANS WITH THE OUTLET MEANS; A PLURALITY OF VALVE MEANS IN THE HOUSING, EACH BEING ASSOCIATED WITH ONE OF THE VALVE OPENINGS AND OPERABLE TO CONTROL THE PASSAGE OF FLUID THERETHROUGH; AND A PLURALITY OF PRESSURE RESPONSIVE MEANS IN THE HOUSING, EACH BEING ASSOCIATED WITH ONE OF THE VALVE MEANS AND ADAPTED TO BE CONNECTED WITH TWO OF THE EXTERNAL FLUID PRESSURE SOURCES AND TO BE RESPONSIVE TO A PREDETERMINED PRESSURE RELATIONSHIP BETWEEN THEM FOR CONTROLLING OPERATION OF THE RESPECTIVE VALVE MEANS.
Claim 2
Dependent Claim
120 words
A COMBINATION PROTECTIVE DEVICE ADAPTED TO BE CONNECTED WITH A PLURALITY OF EXTERNAL FLUID PRESSURE SOURCES AND COMPRISING: A UNITARY HOUSING CONTAINING FLUID INLET MEANS, FLUID OUTLET MEANS AND A PLURALITY OF VALVE OPENINGS, EACH CONNECTING THE INLET MEANS WITH THE OUTLET MEANS; A PLURALITY OF VALVE MEANS IN THE HOUSING, EACH BEING ASSOCIATED WITH ONE OF THE VALVE OPENINGS AND OPERABLE TO CONTROL THE PASSAGE OF FLUID THERETHROUGH; AND A PLURALITY OF PRESSURE RESPONSIVE MEANS IN THE HOUSING, EACH BEING ASSOCIATED WITH ONE OF THE VALVE MEANS AND ADAPTED TO BE CONNECTED WITH TWO OF THE EXTERNAL FLUID PRESSURE SOURCES AND TO BE RESPONSIVE TO A PREDETERMINED PRESSURE RELATIONSHIP BETWEEN THEM FOR CONTROLLING OPERATION OF THE RESPECTIVE VALVE MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |