US3196014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic processes
Assignee: Polaroid Corp
•
Filing: 1959-01-26
•
Granted: 1965-07-20
•
Expires: 1979-01-26
Abstract
No abstract record available.
Inventors
- 👤 Howard G Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:38
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/02; G03C8/08; G03C8/10; G03C8/12; G03C8/14; G03C8/16; C; C09; C09B; C09B31/00; C09B31/02; G03C8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN A PROCESS FOR FORMING A PHOTOGRAPHIC IMAGE, THE STEPS WHICH COMPRISE EXPOSING A PHOTOSENSITIVE ELEMENT CONTAINING A SILVER HALIDE EMULSION; DEVELOPING THE EXPOSED SILVER HALIDE EMULSION IN THE PRESENCE OF AN AQUEOUS ALKALINE SOLUTION OF A DYE, WHICH DYE IS A SILVER HALIDE DEVELOPING AGENT AND CONTAINS A METALIZABLE RADICAL SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
57 words
IN A PROCESS FOR FORMING A PHOTOGRAPHIC IMAGE, THE STEPS WHICH COMPRISE EXPOSING A PHOTOSENSITIVE ELEMENT CONTAINING A SILVER HALIDE EMULSION; DEVELOPING THE EXPOSED SILVER HALIDE EMULSION IN THE PRESENCE OF AN AQUEOUS ALKALINE SOLUTION OF A DYE, WHICH DYE IS A SILVER HALIDE DEVELOPING AGENT AND CONTAINS A METALIZABLE RADICAL SELECTED FROM THE GROUP CONSISTING OF
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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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |