Patent US3177768A successfully refreshed from Google Patents.
US3177768A
Expired / Lapsed
US
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Recording apparatus
Assignee: Individual
•
Filing: 1961-06-05
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Granted: 1965-04-13
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Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Barry K Hallamore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:20
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/54; G11B15/00; G11B15/18; G11B15/24; G11B15/26; G11B15/32; G11B15/40; Y; Y10; Y10S; Y10S40/00; Y10S40/906
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
AN AUDIO-VISUAL RECORD COMPRISING MOUNTING MEANS INCLUDING SUPPORT MEANS ADAPTED TO RECEIVE AND SUPPORT A SLIDE CARRYING A VISUAL IMAGE; SOUND RECORDING MEANS MOUNTED UPON SAID MOUNTING MEANS, SAID SOUND RECORDING MEANS HAVING A SOUND TRACK ASSOCIATED WITH SAID VISUAL IMAGE AND BEING MOUNTED SO AS TO ALLOW SAID SOUND TRACK TO BE MOVED RELATIVE TO SAID MOUNTING MEANS; AND SPRING MEANS CONNECTED TO SAID MOUNTING MEANS AND TO SAID SOUND RECORDING MEANS SO AS TO BE STRESSED BY MOVEMENT OF SAID RECORDING TRACK TO A PRESELECTED POSITION RELATIVE TO SAID MOUNTING MEANS AFTER EACH RECORDING AND PLAYBACK OPERATION, FOR RESETTING SAID TRACK.
References Cited (Backward Citations)
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US2507385A
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US2853923A
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Cited
US3075717A
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |