Patent US2850983A successfully refreshed from Google Patents.
Patent US3141374A successfully refreshed from Google Patents.
US3141374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio viewer equipment
Assignee: Individual
•
Filing: 1960-08-08
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Granted: 1964-07-21
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Expires: 1980-08-08
Abstract
No abstract record available.
Inventors
- 👤 Catherine M Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:43
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN AUDIO VIEWER CARD COMPRISING A PAIR OF FLAT MEMBERS, MEANS INTERCONNECTING SAID MEMBERS IN SPACED RELATION TO DEFINE THEREBETWEEN A FIRST TRANSPARENCY POCKET AND A SECOND AUDIO DISC POCKET, SAID MEMBERS BEING PROVIDED WITH VIEWING APERTURES ALIGNED WITH SAID FIRST POCKET TO EXPOSE A TRANSPARENCY RECEIVED IN SAID FIRST POCKET, AND AXLE OPENINGS ALIGNED WITH SAID SECOND POCKET, AN AUDIO DISC INCLUDING A CENTRAL AXLE RECEIVED IN SAID SECOND POCKET WITH SAID AXLE EXTENDING THROUGH AND ROTATABLY JOURNALED IN SAID OPENINGS AND SELECTIVELY VARIABLE PROGRAM CONTROL MEANS MOUNTED ON SAID INTERCONNECTING MEANS AND ONE OF SAID MEMBERS.
Claim 2
Dependent Claim
98 words
AN AUDIO VIEWER CARD COMPRISING A PAIR OF FLAT MEMBERS, MEANS INTERCONNECTING SAID MEMBERS IN SPACED RELATION TO DEFINE THEREBETWEEN A FIRST TRANSPARENCY POCKET AND A SECOND AUDIO DISC POCKET, SAID MEMBERS BEING PROVIDED WITH VIEWING APERTURES ALIGNED WITH SAID FIRST POCKET TO EXPOSE A TRANSPARENCY RECEIVED IN SAID FIRST POCKET, AND AXLE OPENINGS ALIGNED WITH SAID SECOND POCKET, AN AUDIO DISC INCLUDING A CENTRAL AXLE RECEIVED IN SAID SECOND POCKET WITH SAID AXLE EXTENDING THROUGH AND ROTATABLY JOURNALED IN SAID OPENINGS AND SELECTIVELY VARIABLE PROGRAM CONTROL MEANS MOUNTED ON SAID INTERCONNECTING MEANS AND ONE OF SAID MEMBERS.
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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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |