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US3312548A
Expired / Lapsed
US
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Xerographic plates
Assignee: Xerox Corp
•
Filing: 1965-12-27
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Granted: 1967-04-04
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Virgil E Straughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:39
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/142; G03G5/144; G03G5/02; G03G5/04; G03G5/043; G03G5/0433; G03G5/08; G03G5/082; G03G5/08207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A XEROGRAPHIC PLATE HAVING A PHOTOCONDUCTIVE INSULATING LAYER, SAID LAYER COMPRISING A COMPOSITION OF SELENIUM, ARSENIC AND A HALOGEN, SAID HALOGEN BEING PRESENT IN A CONCENTRATION OF ABOUT 100 TO 10,000 PARTS PER MILLION.
Claim 2
Dependent Claim
34 words
A XEROGRAPHIC PLATE HAVING A PHOTOCONDUCTIVE INSULATING LAYER, SAID LAYER COMPRISING A COMPOSITION OF SELENIUM, ARSENIC AND A HALOGEN, SAID HALOGEN BEING PRESENT IN A CONCENTRATION OF ABOUT 100 TO 10,000 PARTS PER MILLION.
References Cited (Backward Citations)
US1803542A
Cited
US1730505A
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US2803541A
Cited
US3077386A
Cited
US3041166A
Cited
US3116260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |