US3145563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezoresistive transducer employing p-type lead telluride (pbte) as the piezoresistive material
Assignee: Lockheed Martin Corp
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Filing: 1960-04-11
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Granted: 1964-08-25
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Lewis E Hollander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:54
CPC Classifications
G; G01; G01L; G01L3/00; G01L3/02; G01L3/04; G01L3/10; G01L1/00; G01L1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
MEANS FOR MEASURING SHEAR STRAIN COMPRISING A PIECE OF SINGLE CRYSTAL P-TYPE LEAD TELLURIDE, A FIRST PAIR OF OPPOSITELY DISPOSED ELECTRODES PROVIDED ON SAID PIECE IN A DIRECTION SUBSTANTIALLY PARALLEL TO ONE OF THE CRYSTAL AXES THEREOF, A SECOND PAIR OF OPPOSITELY DISPOSED ELECTRODES PROVIDED ON SAID PIECE IN A DIRECTION SUBSTANTIALLY PARALLEL TO ANOTHER OF THE CRYSTAL AXES THEREOF, MEANS APPLYING A BIAS VOLTAGE TO SAID FIRST PAIR OF ELECTRODES, SAID PIECE AND SAID ELECTRODES THEREON BEING CONSTRUCTED AND AR-
Claim 2
Dependent Claim
81 words
MEANS FOR MEASURING SHEAR STRAIN COMPRISING A PIECE OF SINGLE CRYSTAL P-TYPE LEAD TELLURIDE, A FIRST PAIR OF OPPOSITELY DISPOSED ELECTRODES PROVIDED ON SAID PIECE IN A DIRECTION SUBSTANTIALLY PARALLEL TO ONE OF THE CRYSTAL AXES THEREOF, A SECOND PAIR OF OPPOSITELY DISPOSED ELECTRODES PROVIDED ON SAID PIECE IN A DIRECTION SUBSTANTIALLY PARALLEL TO ANOTHER OF THE CRYSTAL AXES THEREOF, MEANS APPLYING A BIAS VOLTAGE TO SAID FIRST PAIR OF ELECTRODES, SAID PIECE AND SAID ELECTRODES THEREON BEING CONSTRUCTED AND AR-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |