US2469891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color separation camera
Assignee: Konica Minolta Graphic Imaging USA Inc
•
Filing: 1945-09-14
•
Granted: 1949-05-10
•
Expires: 1965-09-14
Abstract
No abstract record available.
Inventors
- 👤 Frank T Powers
- 👤 Jr Augustin J Powers
- 👤 Francis E Watter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:59
CPC Classifications
G; G03; G03B; G03B33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US552766A
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US1052029A
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US1478278A
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US1653408A
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US1847010A
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US2115233A
Cited
US2241263A
Cited
US2150974A
Cited
US2402107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |