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Patent US2737082A successfully refreshed from Google Patents.
US2737082A
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US
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Picture-projection system for projecting moving pictures
Assignee: Individual
•
Filing: 1955-02-02
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Granted: 1956-03-06
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Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Robert W Dowling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:14
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18; G03B21/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1349580A
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US1361274A
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US1790232A
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US1806452A
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US1758938A
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US1950166A
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US1951707A
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US2179850A
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US2488955A
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US2501219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |