US3198632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotography
Assignee: 3M Co
•
Filing: 1959-06-05
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Granted: 1965-08-03
•
Expires: 1979-06-05
Abstract
No abstract record available.
Inventors
- 👤 Donal G Kimble
- 👤 Clarence O Mcmasters
- 👤 Byron W Neher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:04
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0503; G03G5/051; G03G5/0514
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A FLEXIBLE PHOTOELECTROSENSITIVE COPY-SHEET HAVING A LIGHT BACKGROUND WHICH COMPRISES A NONMETALLIC FLEXIBLE BASE, A CONTINUOUS ALUMINUM LAYER OF SAID BASE, AND A 0.5 TO 10 MILS THICK PHOTOELECTROSENSITIVE LAYER COMPRISING AN ADMIXTURE OF PHOTOCONDUCTIVE INSULATING SUBSTANTIALLY WHITE ZINC OXIDE IN PARTICULATE FORM AND A FILM FORMING INSULATING ORGANIC BINDER COMPRISING A COPOLYMER OF A STYRENE AND BUTADIENE BONDED DIRECTLY TO SAID ALUMINUM LAYER.
Claim 2
Dependent Claim
64 words
A FLEXIBLE PHOTOELECTROSENSITIVE COPY-SHEET HAVING A LIGHT BACKGROUND WHICH COMPRISES A NONMETALLIC FLEXIBLE BASE, A CONTINUOUS ALUMINUM LAYER OF SAID BASE, AND A 0.5 TO 10 MILS THICK PHOTOELECTROSENSITIVE LAYER COMPRISING AN ADMIXTURE OF PHOTOCONDUCTIVE INSULATING SUBSTANTIALLY WHITE ZINC OXIDE IN PARTICULATE FORM AND A FILM FORMING INSULATING ORGANIC BINDER COMPRISING A COPOLYMER OF A STYRENE AND BUTADIENE BONDED DIRECTLY TO SAID ALUMINUM LAYER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |