US2531374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selector mechanism for automatic phonographs
Assignee: J P SEEBURG Corp
•
Filing: 1943-08-09
•
Granted: 1950-11-21
•
Expires: 1963-08-09
Abstract
No abstract record available.
Inventors
- 👤 Edward F Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:17
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/22; G11B17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21514E
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US665133A
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US2085442A
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US2069180A
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US2156679A
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US2243698A
Cited
US2161483A
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US2234937A
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US2237139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |