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US3236648A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic process for forming visible dye cyanide images

Assignee: Individual
•
Filing: 1962-12-24
•
Granted: 1966-02-22
•
Expires: 1982-12-24
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Abstract

No abstract record available.

Inventors

  • 👤 Chalkley Lyman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 17:14
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; G03C1/73; G03C1/732

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 68 words
THE PHOTOGRAPHIC PROCESS COMPRISING THE STEPS OF RAISING THE TEMPERATURE OF A PHOTOSENSITIVE MATEIRAL CONTAINING FUSIBLE ACTIVATOR AND A DYE CYANIDE THAT IS ISOLATED FROM FUSIBLE ACTIVATORS TO ABOVE THE FUSION POINT OF THE ACTIVATOR, EXPOSING SAID MATERIAL TO LIGHT WHILE THE ACTIVATOR IS IN A STAT OF FUSION TO FORM A VISIBLE COLOR AND THEN CHILLING THE COLORED MATERIAL TO A TEMPERATURE AT WHICH THE ACTIVATOR SOLIDIFIES.
Claim 2
Dependent Claim 68 words
THE PHOTOGRAPHIC PROCESS COMPRISING THE STEPS OF RAISING THE TEMPERATURE OF A PHOTOSENSITIVE MATEIRAL CONTAINING FUSIBLE ACTIVATOR AND A DYE CYANIDE THAT IS ISOLATED FROM FUSIBLE ACTIVATORS TO ABOVE THE FUSION POINT OF THE ACTIVATOR, EXPOSING SAID MATERIAL TO LIGHT WHILE THE ACTIVATOR IS IN A STAT OF FUSION TO FORM A VISIBLE COLOR AND THEN CHILLING THE COLORED MATERIAL TO A TEMPERATURE AT WHICH THE ACTIVATOR SOLIDIFIES.

References Cited (Backward Citations)

US2936235A Cited
US3071464A Cited
US2951855A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-21 1969-08-23 1970-02-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-21 1973-08-23 1974-02-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-21 1977-08-23 1978-02-22 $7700.00 Window Closed / Lapsed

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