Patent US2582347A successfully refreshed from Google Patents.
US2582347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
•
Filing: 1945-03-08
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Granted: 1952-01-15
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Expires: 1965-03-08
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:11
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1091; B41N; B41N3/00; B41N3/03; B41N3/036; B41N3/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
37 words
A PLANOGRAPHIC PLATE HAVING AN INK-RECEPTIVE WATER-REPELLANT IMAGE THEREON AND HAVING A SUBSTANTIALLY SOLID HYDROPHILIC FILM COMPRISING ESSENTIALLY A WATER INSOLUBLE CARBOXYMETHYL CELLULOSE COMPOUND FORMING A MASK AROUND THE IMAGE HALIDE CONTAINING AT LEAST ONE HYDROGEN ATOM.
References Cited (Backward Citations)
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US593997A
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US1644597A
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US2205998A
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US2369567A
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US2331245A
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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) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |