US3150810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture projectors
Assignee: INTERNAZ FONOVISIONE S I F SOC
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Filing: 1963-01-21
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Granted: 1964-09-29
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Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Heaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:28
CPC Classifications
G; G03; G03B; G03B1/00; G03B1/56; G03B1/42; G03B1/46; G03B21/00; G03B21/14; G03B21/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
IN A MOTION PICTURE PROJECTOR ADAPTED TO CONTAIN A LENGTH OF FILM AND HAVING AN UPRIGHT CHASSIS WALL, A FILM DRIVING AND SOUND PICKUP DEVICE COMPRISING AN ELONGATED CARRIER ARM SLIDABLY SUPPORTED ON SAID CHASSIS WALL, A FILM DRIVE SPROCKET ROTATABLY SUPPORTED ON SAID CARRIER ARM, A SOUND DRUM ROTATABLY SUPPORTED ON SAID CARRIER ARM BELOW SAID DRIVE SPROCKET, MEANS MOVING SAID CARRIER ARM DOWNWARDLY RELATIVELY TO SAID CHASSIS WALL ACROSS THE PATH OF THE FILM BEING PROJECTED FROM AN INOPERATIVE TO AN OPERATIVE POSITION, SAID SOUND DRUM ENGAGING THE FILM AND FORMING A LOOP OUT OF A PORTION OF THE FILM IN SAID OPERATIVE POSITION WITH THE FILM DRIVE SPROCKET ENGAGING OPPOSITE SIDES OF SAID LOOP, FILM GUIDE MEMBERS SWINGABLY SUPPORTED ON SAID CHASSIS WALL ON OPPOSITE SIDES OF THE PATH OF MOVEMENT OF SAID CARRIER ARM, AND MEANS CARRIED BY SAID CARRIER ARM AND ENGAGING SAID FILM GUIDE MEANS WHEN SAID CARRIER ARM IS MOVED TO AN OPERATIVE POSITION FOR SWINGING SAID FILM GUIDE MEMBERS INTO CONTACT WITH THE OPPOSITE SIDES OF SAID LOOP WHEREBY SAID FILM IS MAINTAINED IN CONTACT WITH SAID SOUND DRUM AND SAID DRIVE SPOCKET.
Claim 2
Dependent Claim
191 words
IN A MOTION PICTURE PROJECTOR ADAPTED TO CONTAIN A LENGTH OF FILM AND HAVING AN UPRIGHT CHASSIS WALL, A FILM DRIVING AND SOUND PICKUP DEVICE COMPRISING AN ELONGATED CARRIER ARM SLIDABLY SUPPORTED ON SAID CHASSIS WALL, A FILM DRIVE SPROCKET ROTATABLY SUPPORTED ON SAID CARRIER ARM, A SOUND DRUM ROTATABLY SUPPORTED ON SAID CARRIER ARM BELOW SAID DRIVE SPROCKET, MEANS MOVING SAID CARRIER ARM DOWNWARDLY RELATIVELY TO SAID CHASSIS WALL ACROSS THE PATH OF THE FILM BEING PROJECTED FROM AN INOPERATIVE TO AN OPERATIVE POSITION, SAID SOUND DRUM ENGAGING THE FILM AND FORMING A LOOP OUT OF A PORTION OF THE FILM IN SAID OPERATIVE POSITION WITH THE FILM DRIVE SPROCKET ENGAGING OPPOSITE SIDES OF SAID LOOP, FILM GUIDE MEMBERS SWINGABLY SUPPORTED ON SAID CHASSIS WALL ON OPPOSITE SIDES OF THE PATH OF MOVEMENT OF SAID CARRIER ARM, AND MEANS CARRIED BY SAID CARRIER ARM AND ENGAGING SAID FILM GUIDE MEANS WHEN SAID CARRIER ARM IS MOVED TO AN OPERATIVE POSITION FOR SWINGING SAID FILM GUIDE MEMBERS INTO CONTACT WITH THE OPPOSITE SIDES OF SAID LOOP WHEREBY SAID FILM IS MAINTAINED IN CONTACT WITH SAID SOUND DRUM AND SAID DRIVE SPOCKET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |