US2701199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure prescreened graphic arts film
Assignee: Eastman Kodak Co
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Filing: 1951-06-29
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Granted: 1955-02-01
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Rudolph E Damschroder
- 👤 Robert E Stauffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:50
CPC Classifications
G; G03; G03F; G03F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF PRESCREENING A PHOTOSENSITIVE SHEET HAVING A FLAT SILVER HALIDE EMULSION LAYER ON A FLAT SUPPORT, WHICH COMPRISES DESENSITIZING A HALFTONE PATTERN IN THE FLAT EMULSION LAYER BY PRESSING AGAINST IT IN THE PRESENCE OF WATER A HARD SURFACE WITH A HALFTONE PATTERN OF RAISED DOTS WITH A PRESSURE BETWEEN THAT OBTAINED WITH LINE CONTACT ON THE LAYER FROM 10 POUNDS PRESSURE ON A SMALL PRINTING ROLLER 6 INCHES WIDE AND 4 INCHES IN DIAMETER AND 10 TIMES THIS MUCH PRESSURE.
Claim 2
Independent Claim
83 words
THE METHOD OF PRESCREENING A PHOTOSENSITIVE SHEET HAVING A FLAT SILVER HALIDE EMULSION LAYER ON A FLAT SUPPORT, WHICH COMPRISES DESENSITIZING A HALFTONE PATTERN IN THE FLAT EMULSION LAYER BY PRESSING AGAINST IT IN THE PRESENCE OF WATER A HARD SURFACE WITH A HALFTONE PATTERN OF RAISED DOTS WITH A PRESSURE BETWEEN THAT OBTAINED WITH LINE CONTACT ON THE LAYER FROM 10 POUNDS PRESSURE ON A SMALL PRINTING ROLLER 6 INCHES WIDE AND 4 INCHES IN DIAMETER AND 10 TIMES THIS MUCH PRESSURE.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |