US2966724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dampening rollers
Assignee: Perfex Corp
•
Filing: 1959-02-06
•
Granted: 1961-01-03
•
Expires: 1979-02-06
Abstract
No abstract record available.
Inventors
- 👤 Morris C Swope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:35
CPC Classifications
B; B41; B41N; B41N7/00; B41N7/04; B41N2207/00; B41N2207/02; B41N2207/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
FOR CARRYING WATER TO THE PRINTING PLATES OF AN OFFSET PRINTING MACHINE, A DAMPENING ROLLER COMPRISING A RIGIDLY CIRCULAR CYLINDRICAL CORE HAVING A MINIMUM THICKNESS OF AT LEAST ONE THIRD ITS DIAMETER TO PROVIDE RETENTION WITHIN CLOSE TOLERANCES OF A CIRCULAR SHAPE THROUGHOUT INCREMENTAL LENGTHS OF THE ROLLER DURING OPERATION THEREOF, AND HAVING AN OPENING EXTENDING AXIALLY THEREOF, A WATER-CARRYING OUTER COVERING ADHESIVELY SECURED TO SAID CORE BY A WATER-RESISTANT CEMENT, SAID COVERING BEING SELECTED FROM THE GROUP CONSISTING OF MOLLETON, VELVETEEN AND PILE FABRIC, CORE INSERTS EXTENDING INWARDLY INTO SAID OPENING FROM OPPOSITE ENDS OF SAID CORE, AND MEANS FORMING A DRIVING ENGAGEMENT BETWEEN SAID INSERTS AND SAID CORE FOR DRIVING SAID CORE, EACH OF SAID CORE INSERTS HAVING FLANGES ENGAGING OPPOSITE ENDS OF SAID CORE, SAID CORE BEING WATER-RESISTANT, AND SAID CORE INSERTS HAVING DRIVING LUGS PROJECTING AXIALLY THEREOF FOR POSITIVE DRIVE OF SAID CORE IN APPLYING WATER TO THE PRINTING PLATES.
Claim 2
Dependent Claim
154 words
FOR CARRYING WATER TO THE PRINTING PLATES OF AN OFFSET PRINTING MACHINE, A DAMPENING ROLLER COMPRISING A RIGIDLY CIRCULAR CYLINDRICAL CORE HAVING A MINIMUM THICKNESS OF AT LEAST ONE THIRD ITS DIAMETER TO PROVIDE RETENTION WITHIN CLOSE TOLERANCES OF A CIRCULAR SHAPE THROUGHOUT INCREMENTAL LENGTHS OF THE ROLLER DURING OPERATION THEREOF, AND HAVING AN OPENING EXTENDING AXIALLY THEREOF, A WATER-CARRYING OUTER COVERING ADHESIVELY SECURED TO SAID CORE BY A WATER-RESISTANT CEMENT, SAID COVERING BEING SELECTED FROM THE GROUP CONSISTING OF MOLLETON, VELVETEEN AND PILE FABRIC, CORE INSERTS EXTENDING INWARDLY INTO SAID OPENING FROM OPPOSITE ENDS OF SAID CORE, AND MEANS FORMING A DRIVING ENGAGEMENT BETWEEN SAID INSERTS AND SAID CORE FOR DRIVING SAID CORE, EACH OF SAID CORE INSERTS HAVING FLANGES ENGAGING OPPOSITE ENDS OF SAID CORE, SAID CORE BEING WATER-RESISTANT, AND SAID CORE INSERTS HAVING DRIVING LUGS PROJECTING AXIALLY THEREOF FOR POSITIVE DRIVE OF SAID CORE IN APPLYING WATER TO THE PRINTING PLATES.
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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) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |