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Patent US2485709A successfully refreshed from Google Patents.
US2485709A
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US
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Film and slide projector mechanism having unitary cabinet means and screen
Assignee: JAM HANDY ORGANIXATION Inc
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Filing: 1946-11-04
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Granted: 1949-10-25
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Expires: 1966-11-04
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Davock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:16
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1704814A
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US1814588A
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US2033038A
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US2150992A
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US2290287A
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US2272622A
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US2285644A
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US2391879A
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US2366554A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |