Patent US3085595A successfully refreshed from Google Patents.
US3085595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft instruments
Assignee: Honeywell Inc
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Filing: 1961-03-27
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Granted: 1963-04-16
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Expires: 1981-03-27
Abstract
No abstract record available.
Inventors
- 👤 Robert W Armstrong
- 👤 Orrin V Pullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:27
CPC Classifications
G; G01; G01C; G01C5/00; G01C5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN COMBINATION: A CHAMBER HAVING RIGID SIDE WALLS, A RIGID CENTRAL MEMBER, AND END WALLS RESILIENTLY CONNECTED TO SAID SIDE WALLS FOR MOVEMENT TOWARD AND AWAY FROM SAID MEMBER IN ACCORDANCE WITH ANY DIFFERENCE BETWEEN THE FLUID PRESSURES EXTERNAL AND INTERNAL TO SAID CHAMBER; CONTROL MEANS ACTUATED IN ACCORDANCE WITH THE MOVEMENT OF ONE OF SAID END WALLS RELATIVE TO SAID MEMBER; AND FURTHER MEANS CONNECTED BETWEEN SAID MEMBER AND THE OTHER END WALL TO VARY THE DISTANCE THEREBETWEEN AND HENCE THE VOLUME OF THE CHAMBER.
Claim 2
Dependent Claim
86 words
IN COMBINATION: A CHAMBER HAVING RIGID SIDE WALLS, A RIGID CENTRAL MEMBER, AND END WALLS RESILIENTLY CONNECTED TO SAID SIDE WALLS FOR MOVEMENT TOWARD AND AWAY FROM SAID MEMBER IN ACCORDANCE WITH ANY DIFFERENCE BETWEEN THE FLUID PRESSURES EXTERNAL AND INTERNAL TO SAID CHAMBER; CONTROL MEANS ACTUATED IN ACCORDANCE WITH THE MOVEMENT OF ONE OF SAID END WALLS RELATIVE TO SAID MEMBER; AND FURTHER MEANS CONNECTED BETWEEN SAID MEMBER AND THE OTHER END WALL TO VARY THE DISTANCE THEREBETWEEN AND HENCE THE VOLUME OF THE CHAMBER.
References Cited (Backward Citations)
US1405841A
Cited
US2646682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |