Patent US3276869A successfully refreshed from Google Patents.
US3276869A
Expired / Lapsed
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Capsular product coated with silver halide and containing a color-providing substance
Assignee: Polaroid Corp
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Filing: 1961-05-09
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Granted: 1966-10-04
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Expires: 1981-05-09
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Mccune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:42
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/02; B01J13/20; B01J13/22; G; G03; G03C; G03C1/00; G03C1/002; G03C8/00; G03C8/42; G03C8/426
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
133 words
A PROCESS OF FORMING MULTICLOR-TRANSFER IMAGES COMPRISING THE STEPS OF EXPOSING A PHOTOSENSITIVE ELEMENT COMPRISING A SUPPORT AND AT LEAST ONE LAYER THEREON COMPRISING A MIXTURE OF AT LEAST TWO PORTONS OF MINUTE CAPSULES OF ALKALI-PERMEABLE FILM-FORMING POLYMERIC MATERIAL, EACH PORTION OF SAID CAPSULES HAVING THE OUTERMOST WALLS THEREOF COATED WITH SILVER HALIDE AND CONTAINING THEREWITHIN A DYE DEVELOPER ADAPTED TO PROVIDE DIFFERENT COLORED DYE TRANSFER IMAGES DURING PHOTOGRAPHIC PROCESSING, DEVELOPING THE LATENT IMAGES PRESENT IN SAID SILVR HALIDE, RENDERING NONDIFFUSABLE, AS A FUNCTION OF SAID DEVELOPMENT, SAID DYE DEVELOPER ASSOCIATED WITH EXPOSED AREAS OF SAID SILVER HALIDE WHEREBY IMAGEWISE DISTRIBUTIONS OF DIFFUSIVLE DYE DEVELOPERS ARE PROVIDED, AND TRANSFERRING, BY IMBITION, AT LEAST A PORTION OF SAID IMAGEWISE DISTRIBUTIONS OF DYE DEVELOPER TO A SUSPERPOSED IMAGE-RECEIVING LAYER IN FORM A MULTICOLOR TRANSFER IMAGE.
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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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |