US3454424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making photographic films
Assignee: EIDP Inc
•
Filing: 1966-06-21
•
Granted: 1969-07-08
•
Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:50
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/93; G03C1/795
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2067706A
Cited
US2562853A
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US2637712A
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US2756163A
Cited
US2772972A
Cited
US3072482A
Cited
US3130051A
Cited
US3228768A
Cited
US3227555A
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 |