US3072807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Angular accelerometer
Assignee: Statham Instruments Inc
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Filing: 1958-12-12
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Granted: 1963-01-08
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Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Cecil K Stedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:16
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/006; G01P15/02; G01P15/08; G01P15/0888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A MOTION SENSING DEVICE COMPRISING A CHAMBER, A PASSAGEWAY IN SAID CHAMBER, AN ELECTRICALLY CONDUCTIVE LIQUID IN SAID PASSAGEWAY, AN ELECTRICALLY CONDUCTIVE PRIMARY LOOP IN SAID CHAMBER, SAID LOOP INCLUDING SAID LIQUID AND POSITIONED TRANSVERSELY TO SAID PASSAGEWAY, A MAGNET IN SAID CHAMBER, THE POLES OF SAID MAGNET BEING SPACED APART TRANSVERSELY OF SAID PASSAGEWAY, SAID PASSAGEWAY BEING POSITIONED BETWEEN SAID POLES, A SECONDARY CONDUCTIVE LOOP, A MAGNETICALLY CONDUCTIVE CORE, SAID SECONDARY CONDUCTIVE LOOP AND SAID PRIMARY CONDUCTIVE LOOP LINKING SAID CORE, TERMINALS FOR SAID SECONDARY LOOP WHEREBY ON ACCELERATION OF SAID CHAMBER SAID LIQUID MOVES IN SAID PASSAGEWAY RELATIVE TO SAID MAGNETIC FIELD AND SAID SECONDARY LOOP AND A POTENTIAL IS INDUCED AT THE TERMINALS OF SAID LOOP.
Claim 2
Dependent Claim
119 words
A MOTION SENSING DEVICE COMPRISING A CHAMBER, A PASSAGEWAY IN SAID CHAMBER, AN ELECTRICALLY CONDUCTIVE LIQUID IN SAID PASSAGEWAY, AN ELECTRICALLY CONDUCTIVE PRIMARY LOOP IN SAID CHAMBER, SAID LOOP INCLUDING SAID LIQUID AND POSITIONED TRANSVERSELY TO SAID PASSAGEWAY, A MAGNET IN SAID CHAMBER, THE POLES OF SAID MAGNET BEING SPACED APART TRANSVERSELY OF SAID PASSAGEWAY, SAID PASSAGEWAY BEING POSITIONED BETWEEN SAID POLES, A SECONDARY CONDUCTIVE LOOP, A MAGNETICALLY CONDUCTIVE CORE, SAID SECONDARY CONDUCTIVE LOOP AND SAID PRIMARY CONDUCTIVE LOOP LINKING SAID CORE, TERMINALS FOR SAID SECONDARY LOOP WHEREBY ON ACCELERATION OF SAID CHAMBER SAID LIQUID MOVES IN SAID PASSAGEWAY RELATIVE TO SAID MAGNETIC FIELD AND SAID SECONDARY LOOP AND A POTENTIAL IS INDUCED AT THE TERMINALS OF SAID LOOP.
References Cited (Backward Citations)
US2753469A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |