Patent US2740712A successfully refreshed from Google Patents.
US2740712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic printing with traveling mattes
Assignee: Technicolor Motion Picture Corp
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Filing: 1954-06-07
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Granted: 1956-04-03
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Expires: 1974-06-07
Abstract
No abstract record available.
Inventors
- 👤 Wadsworth E Pohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:41
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/04; G03C5/06; G03B; G03B33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN THE ART OF SEPARATELY PRINGING WITH TRAVELLING MATTERS THE TWO AREAS DEPICTING THE BACKGROUND AND FOREGROUND PARTS OF THE PICTURES RESPECTIVELY, THE METHOD WHICH COMPRISES MAKING TWO MATTES BOTH OF WHICH ARE CLEAR IN ONE OF SAID AREAS AND BOTH OF WHICH ARE ESSENTIALLY WITHOUT INTERNAL DETAIL AND LESS THAN COMPLETELY OPAQUE IN THE OTHER OF SAID AREAS, BY EXPOSURES AND DEVELOPMENTS WHICH ARE NOT EXCESSIVE ENOUGH TO DESTROY THE FINE DETAIL ALONG THE BOUNDARIES BETWEEN SAID AREAS, AND PRINTING ONE OF SAID AREAS FROM A PRINTING FILM REPRESENTING A RESPECTIVE ONE OF SAID PARTS THROUGH BOTH
Claim 2
Dependent Claim
98 words
IN THE ART OF SEPARATELY PRINGING WITH TRAVELLING MATTERS THE TWO AREAS DEPICTING THE BACKGROUND AND FOREGROUND PARTS OF THE PICTURES RESPECTIVELY, THE METHOD WHICH COMPRISES MAKING TWO MATTES BOTH OF WHICH ARE CLEAR IN ONE OF SAID AREAS AND BOTH OF WHICH ARE ESSENTIALLY WITHOUT INTERNAL DETAIL AND LESS THAN COMPLETELY OPAQUE IN THE OTHER OF SAID AREAS, BY EXPOSURES AND DEVELOPMENTS WHICH ARE NOT EXCESSIVE ENOUGH TO DESTROY THE FINE DETAIL ALONG THE BOUNDARIES BETWEEN SAID AREAS, AND PRINTING ONE OF SAID AREAS FROM A PRINTING FILM REPRESENTING A RESPECTIVE ONE OF SAID PARTS THROUGH BOTH
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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |