Patent US3081960A successfully refreshed from Google Patents.
US3081960A
Expired / Lapsed
US
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Adjustable film spool
Assignee: Eastman Kodak Co
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Filing: 1960-08-24
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Granted: 1963-03-19
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Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 Donald J Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:26
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/241; G; G03; G03B; G03B17/00; G03B17/28; G03B17/30; G03B2217/00; G03B2217/26; G03B2217/261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |