US2764085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Masters for planographic printing
Assignee: AB Dick Co
•
Filing: 1952-01-10
•
Granted: 1956-09-25
•
Expires: 1972-01-10
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Shoemaker
- 👤 Margaret A Griebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:49
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1041; B41N; B41N3/00; B41N3/03; B41N3/038; Y; Y10; Y10S; Y10S430/00; Y10S430/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
AN IMAGED LITHOGRAPH PLATE COMPRISING A BASE SHEET HAVING A CONTINUOUS SURFACE, A COATING ON SAID BASE SHEET HAVING AN ISOLUBILIZED WERNER COMPLEX COMPOUND DISTRIBUTED THROUGHOUT THE COATING AND IN WHICH THE ACIDO GROUP COORDINATED WITH THE TRIVALENT NUCLEAR CHROMIUM ATOM IS UNSATURATED AND CONTAINS FROM 1-8 CARBON ATOMS AND WHICH IN THE IMAGED PORTION HAS BEEN THERMALLY A HYDROPHILIC INK RECEPTIVE PORTION IN THE SURFACE WHILE THE UNREACTED PORTION OF THE SURFACE REMAINS HYDROPHILIC IN CHARACTER AND WATER RECEPTIVE.
Claim 2
Dependent Claim
80 words
AN IMAGED LITHOGRAPH PLATE COMPRISING A BASE SHEET HAVING A CONTINUOUS SURFACE, A COATING ON SAID BASE SHEET HAVING AN ISOLUBILIZED WERNER COMPLEX COMPOUND DISTRIBUTED THROUGHOUT THE COATING AND IN WHICH THE ACIDO GROUP COORDINATED WITH THE TRIVALENT NUCLEAR CHROMIUM ATOM IS UNSATURATED AND CONTAINS FROM 1-8 CARBON ATOMS AND WHICH IN THE IMAGED PORTION HAS BEEN THERMALLY A HYDROPHILIC INK RECEPTIVE PORTION IN THE SURFACE WHILE THE UNREACTED PORTION OF THE SURFACE REMAINS HYDROPHILIC IN CHARACTER AND WATER RECEPTIVE.
References Cited (Backward Citations)
US2231045A
Cited
US2273040A
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US2356161A
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US2381752A
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US2544666A
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US2611718A
Cited
US2524803A
Cited
US2549220A
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US2662835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |