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Patent US3497350A successfully refreshed from Google Patents.
US3497350A
Expired / Lapsed
US
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Multicolor elements for color photography
Assignee: Eastman Kodak Co
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Filing: 1965-06-28
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Granted: 1970-02-24
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Henry C Yutzy
- 👤 Daan M Zwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:58
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/16; G03; G03C; G03C7/00; G03C7/30; G03C7/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB492648A
Cited
GB517416A
Cited
GB512608A
Cited
US2316803A
Cited
US2253070A
Cited
GB561674A
Cited
US2689180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |