US3256776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and system for producing and viewing color stereoscopic images
Assignee: Polaroid Corp
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Filing: 1961-09-15
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Granted: 1966-06-21
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Expires: 1981-09-15
Abstract
No abstract record available.
Inventors
- 👤 Edwin H Land
- 👤 Nigel W Daw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:00
CPC Classifications
G; G02; G02B; G02B30/00; G02B30/20; G02B30/22; G02B30/23
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A SYSTEM FOR FORMING AND VIEWING A COMPOSITE IMAGE PERCEPTIBLE AS A FULL-COLORED STEREOSCOPIC REPRESENTATION OF A PHOTOGRAPHIC SUBJECT COMPRISING: MEANS FOR FORMING A VISIBLE POLYCHROMATIC FIRST IMAGE COMPONENT RENDERED IN A RANGE OF DENSITIES AND HUES AND PERCEPTIBLE AS A SUBSTANTIALLY FULL-COLORED REPRESENTATION OF SAID SUBJECT, MEANS FOR FORMING A SECOND IMAGE COMPONENT STEREOSCOPICALLY RELATED TO SAID FIRST IMAGE COMPONENT IN VISIBLE LIGHT CONVEYING NO COLOR INFORMATION WITH RESPECT TO SAID SUBJECT BUT RENDERED IN A RANGE OF DENSITIES SIMILAR TO THOSE OF SAID FIRST IMAGE COMPONENT, THE DENSITIES OF LIKE OBJECT AREAS IN BOTH IMAGE COMPONENTS BEING SUBSTANTIALLY THE SAME, AND MEANS FOR PRESENTING EACH OF SAID IMAGE COMPONENTS SIMULTANEOUSLY TO REPECTIVELY SEPARATE EYES OF AN OBSERVER.
References Cited (Backward Citations)
US2136303A
Cited
FR781200A
Cited
US2217907A
Cited
US2289714A
Cited
US2530023A
Cited
GB660994A
Cited
GB694339A
Cited
US2854335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |