US2534650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing plate and method of making same
Assignee: Warren SD Co
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Filing: 1950-06-26
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Granted: 1950-12-19
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Expires: 1970-06-26
Abstract
No abstract record available.
Inventors
- 👤 Stephen V Worthen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:27
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/10; B41C1/1091; B41N; B41N3/00; B41N3/03; B41N3/036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A PAPER BASE AND A PLANOGRAPHIC PRINTING SURFACE, SAID SURFACE COMPRISING INSOLUBLE DYDROPHILIC ADHESIVE MATERIAL AND FINELY DIVIDED INERT MINERAL PIGMENT, AND HAVING THEREIN CAPILLARY INTERSTICES AND PORES CONTAINING THE EVAPORATION RESIDUE OF AN AQUEOUS SOLUTION OF A WATER-SOLUBLE BIVALENT METAL SALT IN EXCESS OF THE AMOUNT CAPABLE OF REACTING WITH THE ADHESIVE MATERIAL.
Claim 2
Dependent Claim
59 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A PAPER BASE AND A PLANOGRAPHIC PRINTING SURFACE, SAID SURFACE COMPRISING INSOLUBLE DYDROPHILIC ADHESIVE MATERIAL AND FINELY DIVIDED INERT MINERAL PIGMENT, AND HAVING THEREIN CAPILLARY INTERSTICES AND PORES CONTAINING THE EVAPORATION RESIDUE OF AN AQUEOUS SOLUTION OF A WATER-SOLUBLE BIVALENT METAL SALT IN EXCESS OF THE AMOUNT CAPABLE OF REACTING WITH THE ADHESIVE MATERIAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |