US3428455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optically sensitized photographic element containing a developing agent
Assignee: Eastman Kodak Co
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Filing: 1965-05-28
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Granted: 1969-02-18
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Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Kitze Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:02
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/30; C; C07; C07C; C07C49/00; C07C49/587; C07C49/703; C07C49/713; C07C49/747; C09; C09B; C09B23/00; C09B23/02; C09B23/06; G03C1/08; G03C1/10; G03C1/12; Y; Y10; Y10S; Y10S430/00; Y10S430/156
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |