US3159841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion picture film projector and editor
Assignee: Kalart Co Inc
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Filing: 1960-12-19
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Granted: 1964-12-01
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Castedello William
- 👤 Werner K Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:23
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN APPARATUS FOR SELECTIVELY PROJECTING MOTION PICTURE FILM UPON A SURFACE SEPARATE FROM THE APPARATUS AND UPON A VIEWING SCREEN ON THE APPARATUS, SAID APPARATUS COMPRISING A PROJECTION UNIT INCLUDING A SOURCE OF LIGHT PRODUCING A LIGHT BEAM FOR PROJECTING A SEQUENCE OF STANDING IMAGES OF SUCCESSIVE FRAMES OF MOTION PICTURE FILM FOR VIEWING ON THE SURFACE SEPARATE FROM THE APPARATUS, A VIEWING SCREEN ON THE APPARATUS, AN OPTICAL ASSEMBLY FOR DEFLECTING THE IMAGE PROJECTING LIGHT BEAM OF SAID PROJECTING UNIT UPON SAID VIEWING SCREEN, SAID OPTICAL ASSEMBLY INCLUDING AN OPTICAL LINKING ELEMENT PIVOTAL MOUNTING MEANS SUPPORTING SAID LINKING ELEMENT PIVOTAL INTO AND OUT OF A POSITION INTERCEPTING SAID BEAM, AND LIGHT CONTROL MEANS FOR OPERATING SAID LIGHT SOURCE AT FULL INTENSITY OR REDUCED INTENSITY, SAID CONTROL MEANS COACTING WITH SAID LINKING ELEMENT FOR CONTROL BY THE POSITION THEREOF TO OPERATE THE LIGHT SOURCE AT REDUCED INTENSITY WHEN SAID LINKING ELEMENT IS IN ITS BEAM INTERCEPTING POSITION AND AT FULL INTENSITY WHEN SAID LINKING ELEMENT IS IN ITS POSITION WITHDRAWN FROM THE PATH OF THE BEAM.
Claim 2
Independent Claim
176 words
AN APPARATUS FOR SELECTIVELY PROJECTING MOTION PICTURE FILM UPON A SURFACE SEPARATE FROM THE APPARATUS AND UPON A VIEWING SCREEN ON THE APPARATUS, SAID APPARATUS COMPRISING A PROJECTION UNIT INCLUDING A SOURCE OF LIGHT PRODUCING A LIGHT BEAM FOR PROJECTING A SEQUENCE OF STANDING IMAGES OF SUCCESSIVE FRAMES OF MOTION PICTURE FILM FOR VIEWING ON THE SURFACE SEPARATE FROM THE APPARATUS, A VIEWING SCREEN ON THE APPARATUS, AN OPTICAL ASSEMBLY FOR DEFLECTING THE IMAGE PROJECTING LIGHT BEAM OF SAID PROJECTING UNIT UPON SAID VIEWING SCREEN, SAID OPTICAL ASSEMBLY INCLUDING AN OPTICAL LINKING ELEMENT PIVOTAL MOUNTING MEANS SUPPORTING SAID LINKING ELEMENT PIVOTAL INTO AND OUT OF A POSITION INTERCEPTING SAID BEAM, AND LIGHT CONTROL MEANS FOR OPERATING SAID LIGHT SOURCE AT FULL INTENSITY OR REDUCED INTENSITY, SAID CONTROL MEANS COACTING WITH SAID LINKING ELEMENT FOR CONTROL BY THE POSITION THEREOF TO OPERATE THE LIGHT SOURCE AT REDUCED INTENSITY WHEN SAID LINKING ELEMENT IS IN ITS BEAM INTERCEPTING POSITION AND AT FULL INTENSITY WHEN SAID LINKING ELEMENT IS IN ITS POSITION WITHDRAWN FROM THE PATH OF THE BEAM.
References Cited (Backward Citations)
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US1926862A
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |