Patent US3069510A successfully refreshed from Google Patents.
US3069510A
Expired / Lapsed
US
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Sound recording and reproducing apparatus
Assignee: VERNON D BECHLER
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Filing: 1958-07-21
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Granted: 1962-12-18
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Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Stuart D Noble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:55
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1794915A
Cited
US1728278A
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GB310762A
Cited
US2096106A
Cited
US2087135A
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US2258596A
Cited
US2382161A
Cited
US2351005A
Cited
US2415681A
Cited
US2542590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |