Patent US3234873A successfully refreshed from Google Patents.
US3234873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic process and inks
Assignee: ChampionX LLC
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Filing: 1963-01-28
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Granted: 1966-02-15
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Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Logan V Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:11
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; B; B41; B41M; B41M1/00; B41M1/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
IN A PLANOGRAPHIC PROCESS WHICH COMPRISES THE STEPS OF PREPARING A SLIGHTLY ETCHED PLANE SURFACE HAVING BOTH INK RECEPTIVE AND INK REPELLANT AREAS, TREATING SAID SURFACE WITH AN AQUEOUS LIQUID AND A PLANOGRAPHIC INK, AND CONTACTING SAID TREATED SURFACE WITH A PAPER SHEET WHEREBY AN INKED IMPRESSION IS MADE THEREON; THE IMPROVEMENT WHICH COMPRISES TREATING SAID PLANOGRAPHIC INK WITH 1-20% BY WEIGHT OF SAID INK OF ORGANO-DISPERSIBLE SILICA PARTICLES HAVING AN AVERAGE DIAMETER OF FROM ABOUT 5 TO ABOUT 150 MILLIMICRONS AND HAVING A CHEMICALLY BOUND ORGANIC HYDROPHOBIC SURFACE COATING, WHEREBY EMULSIFICATION OF SAID INK AND SAID AQUEOUS LIQUID IS SUBSTANTIALLY PREVENTED AND SAID INKED IMPRESSION IS PRODUCED IN A SHARPLY DEFINED CONDITION.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |