Patent US2553903A successfully refreshed from Google Patents.
US2553903A
Expired / Lapsed
US
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Devices for obtaining composite photographs and motion pictures
Assignee: Individual
•
Filing: 1945-11-01
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Granted: 1951-05-22
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Expires: 1965-11-01
Abstract
No abstract record available.
Inventors
- 👤 Dufour Achille Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:44
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08; G03B15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US972373A
Cited
US1197696A
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FR548352A
Cited
DE404511C
Cited
US2076103A
Cited
DE598712C
Cited
US2045120A
Cited
FR805939A
Cited
US2174931A
Cited
US2281033A
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 |