Patent US2651233A successfully refreshed from Google Patents.
US2651233A
Expired / Lapsed
US
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Process of composite photography
Assignee: Warner Bros Entertainment Inc
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Filing: 1950-02-06
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Granted: 1953-09-08
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Expires: 1970-02-06
Abstract
No abstract record available.
Inventors
- 👤 Albert W Tondreau
- 👤 Fred W Gage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:24
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08; G03B15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1945926A
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US1982211A
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US1982210A
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US2028975A
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US2024081A
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GB444435A
Cited
GB502890A
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US2461127A
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GB633420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |