US2735683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record player
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:48
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1542259A
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FR710187A
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US1955534A
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DE556907C
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US1883527A
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US1918588A
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US2068449A
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US2083037A
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US2080924A
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US2307926A
Cited
US2342411A
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US2370875A
Cited
US2307030A
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US2356137A
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US2353763A
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US2386166A
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US2418701A
Cited
US2501391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |