Patent US3454415A successfully refreshed from Google Patents.
US3454415A
Expired / Lapsed
US
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Process for the manufacture of an electrophotographic material
Assignee: Lumiere SA
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Filing: 1965-05-24
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Granted: 1969-07-08
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Georges Auguste Bonjour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:12
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/08; G03G5/087; G03G5/06; G03G5/07; G03G5/071; G03G5/072; G03G5/05; G03G5/0503; G03G5/0507; G03G5/0528; G03G5/0592; G03G5/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2875054A
Cited
US3128204A
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US3189450A
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US3102030A
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US3160503A
Cited
US3245786A
Cited
US3261709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |