Patent US2503083A successfully refreshed from Google Patents.
US2503083A
Expired / Lapsed
US
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Apparatus for controlling picture displays from sound records
Assignee: VITARAMA CORP
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Filing: 1947-02-15
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Granted: 1950-04-04
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Expires: 1967-02-15
Abstract
No abstract record available.
Inventors
- 👤 Waller Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:17
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1826786A
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US1859665A
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US1866712A
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GB354170A
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US1987544A
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US2096020A
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US2116314A
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US2141203A
Cited
US2281943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |