Patent US1430878A successfully refreshed from Google Patents.
Patent US2953088A successfully refreshed from Google Patents.
US2953088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing
Assignee: Columbia Ribbon and Carbon Manufacturing Co Inc
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Filing: 1957-03-25
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Granted: 1960-09-20
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:55
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/12; B41N1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PLANOGRAPHIC PLATE FOR SYSTEMS USE CONSISTING ESSENTIALLY OF A PAPER FOUNDATION, A SINGLE PRELIMINARY COATING, AND A SINGLE PRINTING SURFACE COATING IN WHICH SAID FOUNDATION IS SUBSTANTIALLY FREE OF WET STRENGTH IMPREGNANTS, IN WHICH SAID PRELIMINARY COATING IS A CELENDERED COATING OF A WATER DISPERSIBLE BUT NOT READILY WATER-SOLUBLE STARCH ADHESIVE BINDER, IS FREE OF FILLERS AND HARDENING INGREDIENTS, IS PREFERENTIALLY HYDROPHILIC, AND HAS A WEIGHT NOT IN EXCESS OF 3/12 POUNDS PER REAM PER SIDE WHEREBY THE FIBERS OF SAID PAPER FOUNDATION ARE LAID AND RETAINED IN SAID PRELIMINARY COATING AND THEIR RATE OF WATER IMBIBITION SUBSTANTIALLY REDUCED, AND IN WHICH THE BINDER OF SAID PRINTING SURFACE COATING IS ESSENTIALLY A WATER-INSOLUBLE IMAGE RECEPTIVE COMPOUND OF A POLYSACCHARIDE CARBOXY ETHER.
Claim 2
Dependent Claim
122 words
A PLANOGRAPHIC PLATE FOR SYSTEMS USE CONSISTING ESSENTIALLY OF A PAPER FOUNDATION, A SINGLE PRELIMINARY COATING, AND A SINGLE PRINTING SURFACE COATING IN WHICH SAID FOUNDATION IS SUBSTANTIALLY FREE OF WET STRENGTH IMPREGNANTS, IN WHICH SAID PRELIMINARY COATING IS A CELENDERED COATING OF A WATER DISPERSIBLE BUT NOT READILY WATER-SOLUBLE STARCH ADHESIVE BINDER, IS FREE OF FILLERS AND HARDENING INGREDIENTS, IS PREFERENTIALLY HYDROPHILIC, AND HAS A WEIGHT NOT IN EXCESS OF 3/12 POUNDS PER REAM PER SIDE WHEREBY THE FIBERS OF SAID PAPER FOUNDATION ARE LAID AND RETAINED IN SAID PRELIMINARY COATING AND THEIR RATE OF WATER IMBIBITION SUBSTANTIALLY REDUCED, AND IN WHICH THE BINDER OF SAID PRINTING SURFACE COATING IS ESSENTIALLY A WATER-INSOLUBLE IMAGE RECEPTIVE COMPOUND OF A POLYSACCHARIDE CARBOXY ETHER.
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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |