Patent US3236648A successfully refreshed from Google Patents.
US3236648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic process for forming visible dye cyanide images
Assignee: Individual
•
Filing: 1962-12-24
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Granted: 1966-02-22
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Expires: 1982-12-24
Abstract
No abstract record available.
Inventors
- 👤 Chalkley Lyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:19
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)
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 |