US2778093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithographic plate dampening roller
Assignee: Individual
•
Filing: 1953-01-29
•
Granted: 1957-01-22
•
Expires: 1973-01-29
Abstract
No abstract record available.
Inventors
- 👤 Norman A Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:09
CPC Classifications
B; B41; B41N; B41N7/00; B41N7/04; B41N2207/00; B41N2207/02; B41N2207/04; B41N2207/14; Y; Y10; Y10S; Y10S138/00; Y10S138/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A LITHOGRAPHIC DAMPERING ROLLER JACKET, COMPRISING A RESILIENTLY KNITTED TEXTILE FABRIC TUBE HAVING INTEGRALLY MOUNTED ON ITS EXTERIOR SURFACE A CYLINDRICAL LAYER OF MICROPOROUS LIQUID-ABSORBENT SYNTHETIC RUBBER SPONGE COMPOSITION OF UNIFORM THICKNESS, SAID FABRIC TUBE BEING EXPANSIBLE AND CONTRACTIBLE AND ADAPTED TO BE SLID ON AND OFF THE ROLLER AND HAVING PORTIONS EXTENDING BEYOND BOTH ENDS OF SAID LAYER AND ADAPTED TO BE CONSTRICTED OVER THE ENDS OF A CYLINDRICAL ROLLER, AND SAID LAYER OF SPONGE RUBBER IMPREGNATED WITH POLYVINYL ACETATE.
Claim 2
Dependent Claim
81 words
A LITHOGRAPHIC DAMPERING ROLLER JACKET, COMPRISING A RESILIENTLY KNITTED TEXTILE FABRIC TUBE HAVING INTEGRALLY MOUNTED ON ITS EXTERIOR SURFACE A CYLINDRICAL LAYER OF MICROPOROUS LIQUID-ABSORBENT SYNTHETIC RUBBER SPONGE COMPOSITION OF UNIFORM THICKNESS, SAID FABRIC TUBE BEING EXPANSIBLE AND CONTRACTIBLE AND ADAPTED TO BE SLID ON AND OFF THE ROLLER AND HAVING PORTIONS EXTENDING BEYOND BOTH ENDS OF SAID LAYER AND ADAPTED TO BE CONSTRICTED OVER THE ENDS OF A CYLINDRICAL ROLLER, AND SAID LAYER OF SPONGE RUBBER IMPREGNATED WITH POLYVINYL ACETATE.
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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) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |