US2624232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the reproduction of optical records
Assignee: Individual
•
Filing: 1950-09-13
•
Granted: 1953-01-06
•
Expires: 1970-09-13
Abstract
No abstract record available.
Inventors
- 👤 Kingston Arthur William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:20
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1372675A
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US1801061A
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US1760219A
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GB273360A
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US1935572A
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US1969484A
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US2026960A
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US2180639A
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US2206134A
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US2211334A
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US2342511A
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US2317096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |