Patent US2580422A successfully refreshed from Google Patents.
US2580422A
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System of composite photography
Assignee: Technicolor Motion Picture Corp
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Filing: 1947-08-19
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Granted: 1952-01-01
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Expires: 1967-08-19
Abstract
No abstract record available.
Inventors
- 👤 Gunn Frank George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:07
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08; G03B15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1982211A
Cited
US2008938A
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US2043522A
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US2164770A
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US2297582A
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US2337327A
Cited
GB553197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |