US3148982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic process utilizing organic photoconductors
Assignee: Gevaert Photo Producten NV
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Filing: 1960-04-11
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Granted: 1964-09-15
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Ghys Theofiel Hubert
- 👤 Noe Robert Joseph
- 👤 Cassiers Paul Maria
- 👤 Nys Jean Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0668; G03G5/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
AN ELECTROPHOTOGRAPHIC COPYING PROCESS WHICH COMPRISES EXPOSING AN ELECTROSTATICALLY CHARGED PHOTOCONDUCTIVE INSULATING LAYER COMPRISING AN ORGANIC COMPOUND HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
26 words
AN ELECTROPHOTOGRAPHIC COPYING PROCESS WHICH COMPRISES EXPOSING AN ELECTROSTATICALLY CHARGED PHOTOCONDUCTIVE INSULATING LAYER COMPRISING AN ORGANIC COMPOUND HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
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US2611695A
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US2656271A
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FR1188600A
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |