Patent US2879360A successfully refreshed from Google Patents.
US2879360A
Expired / Lapsed
US
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Photoconductive device having a silicon dioxide protective layer and method of making same
Assignee: Lane Wells Co
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Filing: 1956-10-01
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Granted: 1959-03-24
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Expires: 1976-10-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Acey L Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:01
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD OF PROVIDING A PROTECTIVE TRANSLUCENT COVER FOR A THIN FILM OF PHOTOCONDUCTOR MATERIAL, COMPRISING DEPOSITING A THIN LAYER OF SILICON MONOXIDE OVER THE PHOTOCONDUCTIVE MATERIAL, AND HEATING THE SILICON MONOXIDE IN THE PRESENCE OF OXYGEN TO CONVERT THE SILICON MONOXIDE INTO A SUBSTANTIALLY CONTINUOUS THIN COVER OF SILICON DIOXIDE.
Claim 2
Independent Claim
51 words
A METHOD OF PROVIDING A PROTECTIVE TRANSLUCENT COVER FOR A THIN FILM OF PHOTOCONDUCTOR MATERIAL, COMPRISING DEPOSITING A THIN LAYER OF SILICON MONOXIDE OVER THE PHOTOCONDUCTIVE MATERIAL, AND HEATING THE SILICON MONOXIDE IN THE PRESENCE OF OXYGEN TO CONVERT THE SILICON MONOXIDE INTO A SUBSTANTIALLY CONTINUOUS THIN COVER OF SILICON DIOXIDE.
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) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |