US3146706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dampening system for lithographic printing presses
Assignee: AB Dick Co
•
Filing: 1960-11-04
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Granted: 1964-09-01
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Expires: 1980-11-04
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Tonkin
- 👤 Ronald J Gies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:02
CPC Classifications
B; B41; B41F; B41F7/00; B41F7/20; B41F7/24; B41F7/40; B41F7/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A LITHOGRAPHIC PRINTING PRESS, THE COMBINATION COMPRISING A PLATE CYLINDER FOR CARRYING A LITHOGRAPHIC PRINTING PLATE, AN INK FOUNTAIN, A SYSTEM OF INK ROLLERS FOR CARRYING INK FROM SAID INK FOUNTAIN TO THE PRINTING PLATE ON SAID PLATE CYLINDER, EACH OF SAID INK ROLLERS HAVING A NON-ABSORBENT INK RECEPTIVE SURFACE, A REPELLENT SUPPLY ROLLER, MEANS FOR SUPPLYING REPELLENT TO SAID REPELLENT SUPPLY ROLLER, SAID REPELLENT SUPPLY ROLLER BEING NON-ABSORBENT, AND A DUCTOR ROLLER ENGAGEABLE WITH SAID REPELLENT SUPPLY ROLLER AND MOVABLE INTERMITTENTLY INTO ENGAGEMENT WITH ONE OF SAID INK ROLLERS FOR SUPPLYING REPELLENT TO THE PRINTING PLATE BY WAY OF SAID SYSTEM OF INK ROLLERS, SAID DUCTOR ROLLER HAVING A NON-ABSORBENT METAL SURFACE WHICH IS RECEPTIVE TO THE REPELLENT WHILE BEING ENTIRELY NON-RECEPTIVE TO THE INK SO THAT SAID DUCTOR ROLLER AND SAID REPELLENT SUPPLY ROLLER WILL BE KEPT ENTIRELY FREE OF INK.
Claim 2
Dependent Claim
144 words
IN A LITHOGRAPHIC PRINTING PRESS, THE COMBINATION COMPRISING A PLATE CYLINDER FOR CARRYING A LITHOGRAPHIC PRINTING PLATE, AN INK FOUNTAIN, A SYSTEM OF INK ROLLERS FOR CARRYING INK FROM SAID INK FOUNTAIN TO THE PRINTING PLATE ON SAID PLATE CYLINDER, EACH OF SAID INK ROLLERS HAVING A NON-ABSORBENT INK RECEPTIVE SURFACE, A REPELLENT SUPPLY ROLLER, MEANS FOR SUPPLYING REPELLENT TO SAID REPELLENT SUPPLY ROLLER, SAID REPELLENT SUPPLY ROLLER BEING NON-ABSORBENT, AND A DUCTOR ROLLER ENGAGEABLE WITH SAID REPELLENT SUPPLY ROLLER AND MOVABLE INTERMITTENTLY INTO ENGAGEMENT WITH ONE OF SAID INK ROLLERS FOR SUPPLYING REPELLENT TO THE PRINTING PLATE BY WAY OF SAID SYSTEM OF INK ROLLERS, SAID DUCTOR ROLLER HAVING A NON-ABSORBENT METAL SURFACE WHICH IS RECEPTIVE TO THE REPELLENT WHILE BEING ENTIRELY NON-RECEPTIVE TO THE INK SO THAT SAID DUCTOR ROLLER AND SAID REPELLENT SUPPLY ROLLER WILL BE KEPT ENTIRELY FREE OF INK.
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |