US3131060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic material
Assignee: Gevaert Photo Producten NV
•
Filing: 1960-02-26
•
Granted: 1964-04-28
•
Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Cassiers Paul Maria
- 👤 Hart Rene Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
AN ELECTROPHOTOGRAPHIC COPYING PROCESS WHICH COMPRISES EXPOSING AN ELECTROSTATICALLY CHARGED PHOTOCONDUCTIVE INSULATING LAYER COMPRISING A SOLID ORGANIC LPOLYMER OF THE MONOMER
Claim 2
Dependent Claim
21 words
AN ELECTROPHOTOGRAPHIC COPYING PROCESS WHICH COMPRISES EXPOSING AN ELECTROSTATICALLY CHARGED PHOTOCONDUCTIVE INSULATING LAYER COMPRISING A SOLID ORGANIC LPOLYMER OF THE MONOMER
References Cited (Backward Citations)
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US2747997A
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US2860048A
Cited
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |