Patent US3077206A successfully refreshed from Google Patents.
US3077206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air suspension control apparatus
Assignee: Motors Liquidation Co
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Filing: 1959-03-04
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Granted: 1963-02-12
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Expires: 1979-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert W Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:55
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12; B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/0408; F16; F16K; F16K15/00; F16K15/02; F16K15/06; F16K15/063; F16K15/065; F16K15/066; Y; Y10; Y10S; Y10S137/00; Y10S137/904; Y10S251/00; Y10S251/902; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7842; Y10T137/7904; Y10T137/7922; Y10T137/7924; Y10T137/8593; Y10T137/86348; Y10T137/86372
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A HIGH PRESSURE STORAGE SYSTEM OF THE TYPE INCLUDING A SOURCE OF PRESSURE AND A STORAGE TANK, A MUFFLER ASSEMBLY FOR SAID TANK COMPRISING A COIL SPRING HAVING A PLURALITY OF NORMALLY AXIALLY ABUTTING COILS, AN INLET FITTING CONNECTED TO ONE END OF SAID SPRING, A PLUG ELEMENT DISPOSED IN THE OTHER END OF SAID SPRING, AN IMPERFORATE OPEN-ENDED RIGID TUBE DISPOSED CONCENTRICALLY WITHIN SAID SPRING AND HAVING ONE END RIGIDLY CONNECTED IN COMMUNICATING RELATION WITH SAID INLET FITTING, THE OTHER END OF SAID TUBE TERMINATING AT A DISTANCE FROM SAID FITTING SUFFICIENT TO NORMALLY CAUSE ENGAGEMENT WITH SAID PLUG WHEREBY THE LATTER ACTS AS A CHECK VALVE PREVENTING BACKFLOW OF AIR THROUGH SAID TUBE TO SAID INLET FITTING.
Claim 2
Dependent Claim
120 words
IN A HIGH PRESSURE STORAGE SYSTEM OF THE TYPE INCLUDING A SOURCE OF PRESSURE AND A STORAGE TANK, A MUFFLER ASSEMBLY FOR SAID TANK COMPRISING A COIL SPRING HAVING A PLURALITY OF NORMALLY AXIALLY ABUTTING COILS, AN INLET FITTING CONNECTED TO ONE END OF SAID SPRING, A PLUG ELEMENT DISPOSED IN THE OTHER END OF SAID SPRING, AN IMPERFORATE OPEN-ENDED RIGID TUBE DISPOSED CONCENTRICALLY WITHIN SAID SPRING AND HAVING ONE END RIGIDLY CONNECTED IN COMMUNICATING RELATION WITH SAID INLET FITTING, THE OTHER END OF SAID TUBE TERMINATING AT A DISTANCE FROM SAID FITTING SUFFICIENT TO NORMALLY CAUSE ENGAGEMENT WITH SAID PLUG WHEREBY THE LATTER ACTS AS A CHECK VALVE PREVENTING BACKFLOW OF AIR THROUGH SAID TUBE TO SAID INLET FITTING.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |