Patent US3486450A successfully refreshed from Google Patents.
US3486450A
Expired / Lapsed
US
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Color proofing system
Assignee: Eastman Kodak Co
•
Filing: 1965-10-24
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Granted: 1969-12-30
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 James F Houle
- 👤 Gilden R Van Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:43
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3819; G; G03; G03F; G03F3/00; G03F3/10; G03F7/00; G03F7/004; G03F7/016
Claims Analysis
Total Claims: 0
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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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |