US3072035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic exposure control for photographic cameras
Assignee: Eastman Kodak Co
•
Filing: 1959-06-03
•
Granted: 1963-01-08
•
Expires: 1979-06-03
Abstract
No abstract record available.
Inventors
- 👤 William A Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:07
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1813635A
Cited
US2209639A
Cited
US2421499A
Cited
GB698573A
Cited
US2595750A
Cited
US2841064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |