Patent US3114267A successfully refreshed from Google Patents.
US3114267A
Expired / Lapsed
US
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Doubly integrating accelerometer
Assignee: Ambac International Corp
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Filing: 1958-10-20
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Granted: 1963-12-17
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Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles J Mundo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:15
CPC Classifications
G; G01; G01P; G01P7/00; G01P15/00; G01P15/02; G01P15/08; G01P15/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A CASING, A PAIR OF CONDUCTING SURFACES IN SAID CASING, A MASS, VISCOUS CONSTRAINT MEANS BETWEEN SAID MASS AND SAID CASING, AN ELECTRICAL CONDUCTOR IN SAID CASING, SAID MASS BEING POSITIONED BETWEEN SAID CONDUCTOR AND SAID CONDUCTING SURFACES TO CHANGE THE DIELECTRIC CONSTANT THEREBETWEEN UPON MOTION OF SAID MASS, OSCILLATOR MEANS CONNECTED BETWEEN SAID CONDUCTOR AND ONE OF SAID SURFACES, SECOND OSCILLATOR MEANS CONNECTED BETWEEN SAID CONDUCTOR AND THE OTHER OF SAID SURFACES, SAID OSCILLATORS PRODUCING A PAIR OF FREQUENCIES REACTING OPPOSITELY TO DISPLACEMENT OF SAID MASS, MEANS FOR DETERMINING THE DIFFERENCE FREQUENCY OF SAID OSCILLATOR FREQUENCIES, AND MEANS FOR COUNTING THE CYCLES IN SAID DIFFERENCE FREQUENCY.
Claim 2
Dependent Claim
114 words
IN A DEVICE OF THE CHARACTER DESCRIBED, A CASING, A PAIR OF CONDUCTING SURFACES IN SAID CASING, A MASS, VISCOUS CONSTRAINT MEANS BETWEEN SAID MASS AND SAID CASING, AN ELECTRICAL CONDUCTOR IN SAID CASING, SAID MASS BEING POSITIONED BETWEEN SAID CONDUCTOR AND SAID CONDUCTING SURFACES TO CHANGE THE DIELECTRIC CONSTANT THEREBETWEEN UPON MOTION OF SAID MASS, OSCILLATOR MEANS CONNECTED BETWEEN SAID CONDUCTOR AND ONE OF SAID SURFACES, SECOND OSCILLATOR MEANS CONNECTED BETWEEN SAID CONDUCTOR AND THE OTHER OF SAID SURFACES, SAID OSCILLATORS PRODUCING A PAIR OF FREQUENCIES REACTING OPPOSITELY TO DISPLACEMENT OF SAID MASS, MEANS FOR DETERMINING THE DIFFERENCE FREQUENCY OF SAID OSCILLATOR FREQUENCIES, AND MEANS FOR COUNTING THE CYCLES IN SAID DIFFERENCE FREQUENCY.
References Cited (Backward Citations)
US2899190A
Cited
US2293234A
Cited
US2371626A
Cited
US2411401A
Cited
US2613071A
Cited
US2726074A
Cited
US2591921A
Cited
US2697594A
Cited
GB715750A
Cited
US2728868A
Cited
US2840366A
Cited
GB789611A
Cited
US2777953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |