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Patent US2569228A successfully refreshed from Google Patents.
US2569228A
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Deviation detector apparatus for film registration
Assignee: Technicolor Motion Picture Corp
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Filing: 1949-02-16
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Granted: 1951-09-25
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Expires: 1969-02-16
Abstract
No abstract record available.
Inventors
- 👤 Lauriston E Clark
- 👤 Leslie W Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:56
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1287436A
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US1747037A
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US2084760A
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US2178074A
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US2289737A
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US2430125A
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US2485343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |