US3671122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of printing stereoscopic integral photograph from pseudoscopic original
Assignee: DUDLEY OPTICAL LAB Inc
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Filing: 1970-10-02
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Granted: 1972-06-20
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Expires: 1990-10-02
Abstract
Abstract PHOTOGRAPHS OF THE INTEGRAL TYPE ARE PROVIDED WHICH EXHIBIT THE EFFECT OF PARALLAX ABOUT BOTH HORIZONTAL AND VERTICAL AXES, THE PHOTOGRAPHS BEING RECORDED ON A SPHERICALLY LENTICULATED FILM OR ON A SPHERICALLY LENTICULATED SCREEN-FILM COMBINATION, AND A METHOD, COMPRISING A SEQUENTIAL PRINTING TECHNIQUE, IS PROVIDED BY WHICH THE ELEMENTARY IMAGES CONSTITUTING THE COMPOSITE PICTURES ARE SO TRANSPOSED THAT A STEREOSCOPIC REPRODUCTION FROM A PSEUDOSCOPIC INTEGRAL PHOTOGRAPH IS ACHIEVED.
Inventors
- 👤 Leslie Peter Dudley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/24; G03C; G03C9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |