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US3468664A
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Heat processable photographic elements having water vapor-impermeable protective outer layer
Assignee: Eastman Kodak Co
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Filing: 1962-02-20
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Granted: 1969-09-23
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Expires: 1982-02-20
Abstract
No abstract record available.
Inventors
- 👤 Paul H Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:09
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/26; B41M5/382; B41M5/38235; C; C07; C07D; C07D231/00; C07D231/02; C07D231/06; C07D231/08; C07D401/00; C07D401/02; C07D401/12; C07D417/00; C07D417/02; C07D417/04; G; G03; G03C; G03C1/00; G03C1/005; G03C1/035; G03C1/06; G03C1/42; G03C1/76; G03C1/7614; G03C5/00; G03C5/26; G03C5/262; G03C5/29; G03C5/30; G03C5/3028; G03C5/3035; G03C2001/03594
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3248219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |