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Patent US3435802A successfully refreshed from Google Patents.
US3435802A
Expired / Lapsed
US
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Electrographic liquid developing apparatus
Assignee: Eastman Kodak Co
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Filing: 1965-06-30
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Granted: 1969-04-01
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Nelson R Nail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:04
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3198170A
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US3168021A
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US3169887A
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US3196829A
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US3203395A
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US3327948A
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US3334613A
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US3336906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |