Patent US2818263A successfully refreshed from Google Patents.
US2818263A
Expired / Lapsed
US
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Phonograph
Assignee: Webcor Inc
•
Filing: 1951-02-27
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Granted: 1957-12-31
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Expires: 1971-02-27
Abstract
No abstract record available.
Inventors
- 👤 Colin B Dale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:56
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08; G11B3/085; G11B3/08535; G11B3/08538; G11B3/08541; G11B3/08545; G11B3/08503; G11B3/08506; G11B3/08509
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2370875A
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US2295092A
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US2330293A
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US2616708A
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US2436529A
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US2570040A
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US2509811A
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US2578378A
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US2628843A
Cited
GB624721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |