US2519318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound recording and reproducing apparatus
Assignee: HATTIE B KUHLIK
•
Filing: 1946-12-24
•
Granted: 1950-08-15
•
Expires: 1966-12-24
Abstract
No abstract record available.
Inventors
- 👤 Jacob M Kuhlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:56
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/64; H04M1/65; H04M1/656
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1454157A
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GB236573A
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US1642681A
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US1971028A
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US1973081A
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US2004893A
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US2066041A
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US2096445A
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US2082303A
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US2087135A
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US2289555A
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US2261420A
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US2335277A
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US2364556A
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US2391897A
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US2411501A
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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) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |