Patent AT43911B successfully refreshed from Google Patents.
US3272016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-axis accelerometer
Assignee: North American Aviation Corp
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Filing: 1961-10-03
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Granted: 1966-09-13
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jr William D Mullins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:38
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/18; G01P15/02; G01P15/08; G01P15/13; G01P15/132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A THREE-AXIS ACCELEROMETER, A CASE, A PROOF MASS HAVING A PAIR OF OPPOSITE BROAD SURFACES MADE OF MATERIAL WHICH BECOMES SUPERCONDUCTIVE AT A CRYOGENIC TEMPERATURE, NORMAL TO EACH OF THREE MUTUALLY ORTHOGONAL AXES, SAID PROOF MASS ALSO HAVING TWO PAIRS OF DISK-SHAPED SECTIONS, EACH SAID SECTION BEING POSITIONED AT A EXTREMITY OF SAID PROOF MASS OPPOSITE ITS PAIRED SECTION ALONG ONE OF SAID AXES, TWO PAIRS OF SAID BROAD SURFACES BEING FORMED IN SAID DISK-SHAPED SECTIONS, SAID PROOF MASS FURTHER HAVING A RECESSED CENTER STRUCTURE, THE THIRD OF SAID PAIRS OF SURFACES BEING FORMED IN SAID CENTER STRUCTURE, THREE PAIRS OF SERIES CONNECTED SUPPORT COILS MADE OF MATERIAL WHICH BECOMES SUPERCONDUCTIVE AT A CRYOGENIC TEMPERATURE, THREE PAIRS OF PICKOFF PLATES, EACH OF SAID SUPPORT COILS AND SAID PICKOFF PLATES BEING ATTACHED TO A SEPARATE WALL OF SAID CASE OPPOSITE ONE OF SAID BROAD SURFACES, EAH OF SAID PAIRS OF COILS AND SAID PAIRS OF PICKOFF PLATES BEING POSI-
Claim 2
Dependent Claim
159 words
IN A THREE-AXIS ACCELEROMETER, A CASE, A PROOF MASS HAVING A PAIR OF OPPOSITE BROAD SURFACES MADE OF MATERIAL WHICH BECOMES SUPERCONDUCTIVE AT A CRYOGENIC TEMPERATURE, NORMAL TO EACH OF THREE MUTUALLY ORTHOGONAL AXES, SAID PROOF MASS ALSO HAVING TWO PAIRS OF DISK-SHAPED SECTIONS, EACH SAID SECTION BEING POSITIONED AT A EXTREMITY OF SAID PROOF MASS OPPOSITE ITS PAIRED SECTION ALONG ONE OF SAID AXES, TWO PAIRS OF SAID BROAD SURFACES BEING FORMED IN SAID DISK-SHAPED SECTIONS, SAID PROOF MASS FURTHER HAVING A RECESSED CENTER STRUCTURE, THE THIRD OF SAID PAIRS OF SURFACES BEING FORMED IN SAID CENTER STRUCTURE, THREE PAIRS OF SERIES CONNECTED SUPPORT COILS MADE OF MATERIAL WHICH BECOMES SUPERCONDUCTIVE AT A CRYOGENIC TEMPERATURE, THREE PAIRS OF PICKOFF PLATES, EACH OF SAID SUPPORT COILS AND SAID PICKOFF PLATES BEING ATTACHED TO A SEPARATE WALL OF SAID CASE OPPOSITE ONE OF SAID BROAD SURFACES, EAH OF SAID PAIRS OF COILS AND SAID PAIRS OF PICKOFF PLATES BEING POSI-
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |