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US2430585A
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Lubricated photographic film and process of preparation
Assignee: Eastman Kodak Co
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Filing: 1944-03-01
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Granted: 1947-11-11
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Expires: 1964-03-01
Abstract
No abstract record available.
Inventors
- 👤 Russell John
- 👤 Robert C Houck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:18
CPC Classifications
G; G03; G03D; G03D15/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31536; Y10T428/31725; Y10T428/31768; Y10T428/31772
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1697858A
Cited
US1589688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-10 | 1951-05-12 | 1951-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-10 | 1955-05-12 | 1955-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-10 | 1959-05-12 | 1959-11-11 | $7700.00 | Window Closed / Lapsed |