Patent US2553841A successfully refreshed from Google Patents.
US2553841A
Expired / Lapsed
US
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Cinematographic apparatus
Assignee: Technicolor Motion Picture Corp
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Filing: 1948-11-20
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Granted: 1951-05-22
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Expires: 1968-11-20
Abstract
No abstract record available.
Inventors
- 👤 John M Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:08
CPC Classifications
G; G03; G03B; G03B31/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1908610A
Cited
US1966322A
Cited
GB406664A
Cited
US2101932A
Cited
US2083675A
Cited
GB498427A
Cited
US2413218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |