Patent US2784251A successfully refreshed from Google Patents.
US2784251A
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Assignee: Eastman Kodak Co
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Filing: 1950-08-24
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Granted: 1957-03-05
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Expires: 1970-08-24
Abstract
No abstract record available.
Inventors
- 👤 Earle A Young
- 👤 Ambrose D Baker
- 👤 Roscoe H Canaday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:00
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/16; G; G09; G09G; G09G1/00; G09G1/06; G09G1/14; G09G1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2275898A
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US2283383A
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US2379880A
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US2433340A
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US2458030A
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US2528725A
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US2538065A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |