US3269734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonographic devices
Assignee: Individual
•
Filing: 1963-11-29
•
Granted: 1966-08-30
•
Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Ladis H Ottofy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:37
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/68; G11B3/70; G11B25/00; G11B25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A PORTABLE PHONOGRAPHIC DEVICE ACTUATED BY A RELATIVELY MANUALLY MOVABLE STYLUS, THE COMBINATION WITH A RESONANT CUP RECEPTACLE COMPRISING A BOTTOM AND SIDES CONNECTED WITH AN OUTSIDE BOTTOM FLANGE, OF A FLEXIBLE PLASTIC DISK HAVING A CONTINUOUS SOUND REPRODUCING GROOVE AT ONE SIDE WITHIN AND SEPARATE FROM THE OUTER PERIPHERAL EDGE THEREOF, AND MEANS IN THE EDGE FOR REMOVABLY ATTACHING THE DISK TO THE OUTSIDE BOTTOM FLANGE AGAINST THE BOTTOM WITH THE GROOVE OUTERMOST, ADAPTED TO REPRODUCE AND MAGNIFY SOUNDS FROM THE GROOVE WHEN THE STYLUS IS MOVED THEREOVER, THE GROOVED DISK LEAVING A CENTRAL DOMED PROJECTION FROM THE SIDE OPPOSITE THE GROOVE TO BEAR AGAINST SAID BOTTOM WHEN IT IS ATTACHED BY SAID MEANS.
Claim 2
Dependent Claim
116 words
IN A PORTABLE PHONOGRAPHIC DEVICE ACTUATED BY A RELATIVELY MANUALLY MOVABLE STYLUS, THE COMBINATION WITH A RESONANT CUP RECEPTACLE COMPRISING A BOTTOM AND SIDES CONNECTED WITH AN OUTSIDE BOTTOM FLANGE, OF A FLEXIBLE PLASTIC DISK HAVING A CONTINUOUS SOUND REPRODUCING GROOVE AT ONE SIDE WITHIN AND SEPARATE FROM THE OUTER PERIPHERAL EDGE THEREOF, AND MEANS IN THE EDGE FOR REMOVABLY ATTACHING THE DISK TO THE OUTSIDE BOTTOM FLANGE AGAINST THE BOTTOM WITH THE GROOVE OUTERMOST, ADAPTED TO REPRODUCE AND MAGNIFY SOUNDS FROM THE GROOVE WHEN THE STYLUS IS MOVED THEREOVER, THE GROOVED DISK LEAVING A CENTRAL DOMED PROJECTION FROM THE SIDE OPPOSITE THE GROOVE TO BEAR AGAINST SAID BOTTOM WHEN IT IS ATTACHED BY SAID MEANS.
References Cited (Backward Citations)
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US948137A
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US1464827A
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US1877079A
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US2020381A
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US3000540A
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US2997306A
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US3145026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |