US3455218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level sensing automatic exposure control for daylight and flash
Assignee: Eastman Kodak Co
•
Filing: 1965-10-28
•
Granted: 1969-07-15
•
Expires: 1985-10-28
Abstract
No abstract record available.
Inventors
- 👤 John H Eagle
- 👤 Donald M Harvey
- 👤 Robert W Seebech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:55
CPC Classifications
G; G03; G03B; G03B7/00; G03B7/08; G03B7/081; G03B7/083; G03B7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3000281A
Cited
US3205799A
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US3205802A
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US3208365A
Cited
US3349678A
Cited
US3291019A
Cited
US3385187A
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US3363967A
Cited
US3318217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |