US3281199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projection apparatus with cassette for sound films
Assignee: Individual
•
Filing: 1965-07-23
•
Granted: 1966-10-25
•
Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 Kingston Arthur William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:28
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G03; G03B; G03B17/00; G03B17/26; G03B17/265; G03B21/00; G03B21/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A SOUND FILM CASSETTE COMPRISING AN ENVELOPING WALL STRUCTURE INCLUDING TWO OPPOSITE FLAT WALLS LYING GENERALLY PARALLEL TO ONE ANOTHER, TWO BOBBINS DISPOSED BETWEEN SAID OPPOSITE WALLS WITH THEIR AXES OF ROTAION PERPENDICULAR TO SAID WALLS, A FILM GATE, DRIVING SPROCKET MEANS FOR FEEDING THE FILM TOWARDS AND AWAY FROM SAID FILM GATE, AN OPENING IN ONE OF SAID OPPOSITE WALL FOR
Claim 2
Dependent Claim
62 words
A SOUND FILM CASSETTE COMPRISING AN ENVELOPING WALL STRUCTURE INCLUDING TWO OPPOSITE FLAT WALLS LYING GENERALLY PARALLEL TO ONE ANOTHER, TWO BOBBINS DISPOSED BETWEEN SAID OPPOSITE WALLS WITH THEIR AXES OF ROTAION PERPENDICULAR TO SAID WALLS, A FILM GATE, DRIVING SPROCKET MEANS FOR FEEDING THE FILM TOWARDS AND AWAY FROM SAID FILM GATE, AN OPENING IN ONE OF SAID OPPOSITE WALL FOR
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |