US3062648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographically sensitive lithographic printing plate
Assignee: Eastman Kodak Co
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Filing: 1960-02-09
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Granted: 1962-11-06
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Expires: 1980-02-09
Abstract
No abstract record available.
Inventors
- 👤 Irvin H Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:46
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/06; B; B41; B41N; B41N3/00; B41N3/03; B41N3/036
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A LITHOGRAPHIC PRINTING PLATE, SUBSTANTIALLY FREE OF GELATIN HARDENER, CONTAINING IN THAT ORDER (1) A WATER RESISTANT PAPER BASE SUPPORT, (2) A HYDROPHILIC LAYER COMPRISING AN INORGANIC COMPONENT OF COLLOIDAL SILICA THEREOF DRY WEIGHT, AND A WATER RESISTANT LATEX RESIN COMPONENT, THE RATIO OF THE INORGANIC COMPONENT TO THE RESIN COMPONENT BEING WITHIN THE RANGE OF APPROXIMATELY 6:1 TO APPROXIMATELY 8:1, DRY WEIGHT, AND (3) A LAYER OF A GELATINO-SILVER HALIDE EMULSION CONTAINING THEREIN A GELATIN TANNING SILVER HALIDE DEVELOPING AGENT.
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |