US3381612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color reproducing system
Assignee: Salvat Editores SA
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Filing: 1967-08-30
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Granted: 1968-05-07
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Expires: 1987-08-30
Abstract
No abstract record available.
Inventors
- 👤 Manuel J Lecha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:38
CPC Classifications
G; G03; G03F; G03F3/00; G03F3/04; B; B41; B41M; B41M1/00; B41M1/14; B41M1/18
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |