Patent US2901349A successfully refreshed from Google Patents.
US2901349A
Expired / Lapsed
US
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Xerographic plate
Assignee: Xerox Corp
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Filing: 1957-05-23
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Granted: 1959-08-25
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Expires: 1977-05-23
Abstract
No abstract record available.
Inventors
- 👤 Roland M Schaffert
- 👤 James F Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:46
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/147; G03G5/02; G03G5/04; G03G5/043; G03G5/0433; G03G5/142; G03G5/144
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A XEROGRAPHIC PLATE COMPRISING A CONDUCTIVE BACKING HAVING THEREON A LAYER OF ARSENIC TRISULFIDE FROM ABOUT 1/10 TO ABOUT 3 MICRONS THICK AND A LAYER OF A PHOTO-
Claim 2
Dependent Claim
28 words
A XEROGRAPHIC PLATE COMPRISING A CONDUCTIVE BACKING HAVING THEREON A LAYER OF ARSENIC TRISULFIDE FROM ABOUT 1/10 TO ABOUT 3 MICRONS THICK AND A LAYER OF A PHOTO-
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) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |