US1908546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the conditioning of cellulose derivative films
Assignee: Eastman Kodak Co
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Filing: 1929-10-22
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Granted: 1933-05-09
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Expires: 1949-10-22
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Sheppard
- 👤 James G Mcnally
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:37
CPC Classifications
B; B29; B29D; B29D7/00; B29D7/01; B29C; B29C43/00; B29C43/22; B29C43/24; C; C08; C08J; C08J5/00; C08J5/18; C08J7/00; C08J7/08; C08L; C08L1/00; C08L1/08; C08J2301/00; C08J2301/08; Y; Y10; Y10S; Y10S264/00; Y10S264/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-05-08 | 1936-11-07 | 1937-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-08 | 1940-11-07 | 1941-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-08 | 1944-11-07 | 1945-05-09 | $7700.00 | Window Closed / Lapsed |