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US3256776A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and system for producing and viewing color stereoscopic images

Assignee: Polaroid Corp
•
Filing: 1961-09-15
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Granted: 1966-06-21
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Expires: 1981-09-15
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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 19:53
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

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