US2708626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic processes using prescreened material
Assignee: Eastman Kodak Co
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Filing: 1952-06-04
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Granted: 1955-05-17
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Expires: 1972-06-04
Abstract
No abstract record available.
Inventors
- 👤 John A C Yule
- 👤 Richard E Maurer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:08
CPC Classifications
G; G03; G03F; G03F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF REPRODUCING LINE WORK WITH A CLAYDEN PRESCREENED PHOTOGRAPHIC SHEET WITH DOT CORNERS CLAYDEN DENSENSITIZED AND AREAS ADJACENT TO THE DOT CENTERS WITH SUBSTANTIALLY NO DESENSITIZATION, WHICH COMPRISES EXPOSING THE SHEET UNIFORMLY TO A HIGH INTENSITY SHORT DURATION EXPOSURE OF SUBSTANTIALLY THE SAME ORDER OF DURATION AND INTENSITY AS THAT USED IN PRESCREENING THE FILM WHEREBY SAID ADJACENT AREAS ARE CLAYDEN DESENSITIZED AND THE DESENSITIZATION OF SAID CORNERS IS REDUCED TO PROVIDE SUBSTANTIALLY THE SAME SENSITIVITY IN SAID AREAS AND SAID CORNERS, THEN EXPOSING THE SHEET TO SAID LINE WORK AND DEVELOPING THE SHEET.
Claim 2
Independent Claim
96 words
THE METHOD OF REPRODUCING LINE WORK WITH A CLAYDEN PRESCREENED PHOTOGRAPHIC SHEET WITH DOT CORNERS CLAYDEN DENSENSITIZED AND AREAS ADJACENT TO THE DOT CENTERS WITH SUBSTANTIALLY NO DESENSITIZATION, WHICH COMPRISES EXPOSING THE SHEET UNIFORMLY TO A HIGH INTENSITY SHORT DURATION EXPOSURE OF SUBSTANTIALLY THE SAME ORDER OF DURATION AND INTENSITY AS THAT USED IN PRESCREENING THE FILM WHEREBY SAID ADJACENT AREAS ARE CLAYDEN DESENSITIZED AND THE DESENSITIZATION OF SAID CORNERS IS REDUCED TO PROVIDE SUBSTANTIALLY THE SAME SENSITIVITY IN SAID AREAS AND SAID CORNERS, THEN EXPOSING THE SHEET TO SAID LINE WORK AND DEVELOPING THE SHEET.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |