Patent US3428486A successfully refreshed from Google Patents.
Patent US3217166A successfully refreshed from Google Patents.
US3217166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive semiconductor junction device having a two-dimensional response
Assignee: GTE Sylvania Inc
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Filing: 1960-02-26
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Granted: 1965-11-09
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Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Otto A Weinreich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:57
CPC Classifications
H; H10; H10F; H10F99/00; H10F19/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
A PHOTOELECTRIC DEVICE COMPRISING A FIRST DETECTOR COMPOSED OF FIRST AND SECOND SEMICONDUCTOR PORTIONS, SAID FIRST DETECTOR GENERATING A VOLTAGE CORRESPONDING TO THE DISPLACEMENT OF RECEIVED RADIATION FROM THE BOUNDARY BETWEEN SAID FIRST AND SECOND SEMICONDUCTOR PORTIONS, A SECOND DETECTOR SPACED FROM SAID FIRST DETECTOR AND COMPOSED OF THIRD AND FOURTH SEMICONDUCTOR PORTIONS, SAID SECOND DETECTOR GENERATING A VOLTAGE CORRESPONDING TO THE DISPLACEMENT OF RECEIVED RADIATION FROM THE BOUNDARY BETWEEN SAID THIRD AND FOURTH SEMICONDUCTOR PORTIONS, THE BOUNDARY BETWEEN SAID THIRD AND FOURTH SEMICONDUCTOR PORTIONS LYING IN A PLANE SUBSTANTIALLY PERPENDICULAR TO THE PLANE OF THE BOUNDARY BETWEEN SAID FIRST AND SECOND SEMI-
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |