Patent US3352162A successfully refreshed from Google Patents.
US3352162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for and method of detecting rotation
Assignee: Avco Manufacturing Corp
•
Filing: 1958-10-29
•
Granted: 1967-11-14
•
Expires: 1978-10-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:13
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/56; G01C19/5698; G01H; G01H17/00; G10; G10K; G10K11/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
IN A ROTATION SENSOR, A MEDIUM, A PAIR OF PIEZOELECTRIC TRANSDUCERS ASSOCIATED WITH SAID MEDIUM FOR ESTABLISHING A STANDING ACOUSTIC WAVE THEREIN, PIEZOELECTRIC DETECTOR TRANSDUCER IN COMMUNICATION WITH SAID MEDIUM, SAID DETECTOR TRANSDUCER BEING PARALLEL TO THE STANDING WAVE FOR DETECTING FORCES RESULTING FROM INTERACTION BETWEEN ROTATION AND LOCAL MOVEMENTS OF THE MEDIUM DUE TO THE STANDING WAVE, SAID ROTATION HAVING A COMPONENT AT RIGHT ANGLES TO SAID LOCAL MOVEMENTS, AND ELECTRONIC CIRCUIT MEANS FOR DRIVING SAID FIRST NAMED TRANSDUCERS AND DETECTING THE OUTPUT OF SAID DETECTOR TRANSDUCER.
References Cited (Backward Citations)
US2490452A
Cited
US2683596A
Cited
US2683247A
Cited
US2836737A
Cited
US2753469A
Cited
US2880333A
Cited
US2874568A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |