US3122053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audio-visual projector for sound-on-slide tablets
Assignee: Individual
•
Filing: 1959-05-05
•
Granted: 1964-02-25
•
Expires: 1979-05-05
Abstract
No abstract record available.
Inventors
- 👤 Panayotis C Dimitracopoulos
- 👤 Constantine D Pezaris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:42
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
MEANS TO SIMULTANEOUSLY REPRODUCE AND PROJECT AUDIO-VISUAL INFORMATION COMPRISING A SUPPORT HAVING A PROJECTION OPENING, A PROJECTION LIGHT SOURCE MOUNTED ADJACENT SAID OPENING, AN ANNULAR MEMBER ROTATABLY MOUNTED ABOVE SAID SUPPORT AND HAVING A CENTRAL PROJECTION APERTURE IN REGISTRY WITH SAID OPENING, A PHONOGRAPH PICK-UP SECURED TO AND DEPENDING FROM SAID ANNULAR MEMBER AND BEING ENGAGEABLE WITH THE GROOVES OF A RECORD TABLET DISPOSED ON SAID SUPPORT, AND MEANS TO ROTATE SAID ANNULAR MEMBER.
Claim 2
Dependent Claim
74 words
MEANS TO SIMULTANEOUSLY REPRODUCE AND PROJECT AUDIO-VISUAL INFORMATION COMPRISING A SUPPORT HAVING A PROJECTION OPENING, A PROJECTION LIGHT SOURCE MOUNTED ADJACENT SAID OPENING, AN ANNULAR MEMBER ROTATABLY MOUNTED ABOVE SAID SUPPORT AND HAVING A CENTRAL PROJECTION APERTURE IN REGISTRY WITH SAID OPENING, A PHONOGRAPH PICK-UP SECURED TO AND DEPENDING FROM SAID ANNULAR MEMBER AND BEING ENGAGEABLE WITH THE GROOVES OF A RECORD TABLET DISPOSED ON SAID SUPPORT, AND MEANS TO ROTATE SAID ANNULAR MEMBER.
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Cited
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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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |