US2464162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic exposure control for photographic printers
Assignee: Eastman Kodak Co
•
Filing: 1945-03-21
•
Granted: 1949-03-08
•
Expires: 1965-03-21
Abstract
No abstract record available.
Inventors
- 👤 Clifton M Tuttle
- 👤 Randle V Cartwright
- 👤 Harry P Eichler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:42
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72; G03B27/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2032633A
Cited
US2100672A
Cited
US2161371A
Cited
US2158903A
Cited
US2261532A
Cited
US2234717A
Cited
US2388609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |