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US2483147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic preproduction and projection device for cathode-ray tube screens
Assignee: Hartford National Bank and Trust Co
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Filing: 1946-07-20
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Granted: 1949-09-27
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Expires: 1966-07-20
Abstract
No abstract record available.
Inventors
- 👤 Mol Gerard Christiaan Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:41
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/204
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1054598A
Cited
US1379905A
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US1716768A
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US2086546A
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US1930431A
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US2166440A
Cited
US2186268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |