US3130669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color printing
Assignee: EDRAYDO Inc
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Filing: 1963-06-25
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Granted: 1964-04-28
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Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Donald E Cooke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:56
CPC Classifications
G; G03; G03F; G03F3/00; G03F3/04; G03F3/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
THE METHOD OF MAKING CONTINUOUS TONE PICTURES WHICH COMPRISES, FOR EACH OF A PLURALITY OF SELECTED COLORS, PREPARING A MASTER NEGATIVE OF THE OBJECT FOR ONE OF THE COLORS, MAKING A FILM POSITIVE FROM THE MASTER NEGATIVE FOR EACH SELECTED COLOR, BLEACHING AND DYEING THE FILM POSITIVES FOR EACH OF THE SELECTED COLORS, MAKING A FINAL FILM NEGATIVE FROM EACH OF THE FILM POSITIVES, DURING ONE OF THE TRANSFERS BETWEEN FILMS INTEPOSING A SREEEN ELEMENT HAVING A GRANULAR SURFACE WITH A GRAIN DEPTH OF ABOUT TEN TO FIFTEEN MICROINCHES, MAKING A COLOR PLATE FROM EACH SAID FINAL NEGATIVE, AND PRINTING IN SUPERPOSED RELATION WITH EACH OF THE COLOR PLATES WITH A COLOR CORRESPONDING TO SAID COLOR PLATE.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |