Patent US3027818A successfully refreshed from Google Patents.
US3027818A
Expired / Lapsed
US
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Automatic exposure control for photographic cameras
Assignee: Eastman Kodak Co
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Filing: 1959-07-17
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Granted: 1962-04-03
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Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Charles M Lee
- 👤 Ralph E Guenther
- 👤 Nerwin Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:33
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/08; G03B7/00; G03B7/08; G03B7/081; G03B7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2091881A
Cited
US2242013A
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US2599079A
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US2655086A
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US2902968A
Cited
US2809720A
Cited
US2841064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |