Patent US3254529A successfully refreshed from Google Patents.
US3254529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strain transducers insensitive to transverse and shear strains
Assignee: AT&T Inc
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Filing: 1963-03-29
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Granted: 1966-06-07
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Expires: 1983-03-29
Abstract
No abstract record available.
Inventors
- 👤 Robert N Thurston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:45
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/16; H; H03; H03K; H03K17/00; H03K17/94; H03K17/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A PIEZORESISTIVE STRAIN GAGE COMPRISING A WAFER OF A CUBIC SEMICONDUCTOR, THE PLANE OF SAID WAFER BEING PERPENDICULAR TO (1001)-0 WHERE:
Claim 2
Dependent Claim
21 words
A PIEZORESISTIVE STRAIN GAGE COMPRISING A WAFER OF A CUBIC SEMICONDUCTOR, THE PLANE OF SAID WAFER BEING PERPENDICULAR TO (1001)-0 WHERE:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |