US3153149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive electro-optical device with electrostatic shielding means
Assignee: Raytheon Co
•
Filing: 1962-08-20
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Granted: 1964-10-13
•
Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Finigian Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:25
CPC Classifications
H; H10; H10F; H10F55/00; H10F55/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
IN COMBINATION: AN OPAQUE ENCLOSURE HAVING CONTROL CIRCUIT COUPLING MEANS, SIGNAL CIRCUIT COUPLING MEANS AND SHIELD POTENTIAL COUPLING MEANS; A FIRST MEANS IN SAID ENCLOSURE FOR EMITTING LIGHT OF VARYING INTENSITY IN RESPONSE TO A SIGNAL FROM SAID CONTROL CIRCUIT; A SECOND MEANS IN SAID ENCLOSURE RESISTIVELY RESPONSIVE TO SAID EMITTED LIGHT AND COUPLED TO SAID SIGNAL CIRCUIT;
References Cited (Backward Citations)
US1980198A
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US2258218A
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US2918584A
Cited
US2975290A
Cited
US2967945A
Cited
US2923828A
Cited
US2997596A
Cited
US2991266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |