Patent US2466124A successfully refreshed from Google Patents.
US2466124A
Expired / Lapsed
US
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Magazine-type photoelectric sound reproducer
Assignee: Individual
•
Filing: 1943-07-14
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Granted: 1949-04-05
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Expires: 1963-07-14
Abstract
No abstract record available.
Inventors
- 👤 Freeman H Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:34
CPC Classifications
G; G11; G11B; G11B25/00; G11B25/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1952809A
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US1735335A
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GB319592A
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US2002352A
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US2096805A
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US2178244A
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US2169013A
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US2242548A
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US2254478A
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US2234697A
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US2308015A
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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) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |