US3411908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic paper base
Assignee: Eastman Kodak Co
•
Filing: 1967-04-12
•
Granted: 1968-11-19
•
Expires: 1987-04-12
Abstract
No abstract record available.
Inventors
- 👤 Irvin H Crawford
- 👤 William L Johnson
- 👤 Joseph E Ratcliff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:19
CPC Classifications
B; B32; B32B; B32B27/00; D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/915; Y; Y10; Y10S; Y10S430/00; Y10S430/138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2773769A
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GB791776A
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US2955953A
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US2940869A
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US3076720A
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US3037862A
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US3169865A
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US3117865A
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US3247290A
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US3260602A
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US3250638A
Cited
US3184311A
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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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |