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US3194155A Expired / Lapsed US ⏱️ 0.0 years remaining

Fountain ink roller and ink supply

Assignee: Unisys Corp
•
Filing: 1963-08-19
•
Granted: 1965-07-13
•
Expires: 1983-08-19
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Daniel H Davis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 04:30
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/22; B41F31/02; B41F31/08

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 194 words
AN INKING APPARATUS COMPRISING A PAIR OF LIKE RIGID DISCS SPACED APART IN VERTICAL BROADSIDE RELATIONSHIP, A CIRCULAR PAD OF WICK MATERIAL, MEANS FOR CLAMPING SAID PAD FLAT BETWEEN AND BY SAID DISC CONCENTRICALLY THEREWITH, SAID DISCS HAVING OUTER MARGINS THEREOF EXTENDING BEYOND THE PERIPHERY OF SAID PAD TO PROVIDE A CIRCUMFERENTIAL CHANNEL WITH SAID PERIPHERY, INWARDLY FACING OPPOSITELY DISPOSED ANNULAR CHANNELS IN SAID MARGINS AT THE PERIPHERY OF SAID PAD, A RING OF WICK MATERIAL CLAMPED BY AND BETWEEN SAID DISC MARGINS, SAID RING OF WICK MATERIAL HAVING OPPOSITELY DIRECTED FLANGES RETAINED RESPECTIVELY IN SAID ANNULAR CHANNELS AND HAVING A LESSER CAPILLARY ATTRACTION CHARACTERISTIC THAN SAID PAD, A VERTICAL DRIVING SHAFT ITS AXIS CONCENTRIC WITH SAID DISCS, MEANS ON THE UPPER END OF SAID SHAFT FOR AFFIXING SAID SHAFT; TO THE UNDERSIDE OF THE LOWER ONE OF SAID DISCS, SAID PAD HAVING A CAVITY OPENING THROUGH THE UPPER FACE THEREOF CONCENTRIC WITH THE XIS OF SAID SHAFT, A STATIONARY INK SUPPLYING TUBE EXTENDING DOWNWARDLY THROUGH SAID UPPER DISC AND HAVING ITS END EMBEDDED WITHIN SAID CAVITY AND SMALL METERING APERTURES IN SAID EMBEDDED END FOR SUPPLYING INK TO SAID PAD BY WIPING ACTION.
Claim 2
Dependent Claim 194 words
AN INKING APPARATUS COMPRISING A PAIR OF LIKE RIGID DISCS SPACED APART IN VERTICAL BROADSIDE RELATIONSHIP, A CIRCULAR PAD OF WICK MATERIAL, MEANS FOR CLAMPING SAID PAD FLAT BETWEEN AND BY SAID DISC CONCENTRICALLY THEREWITH, SAID DISCS HAVING OUTER MARGINS THEREOF EXTENDING BEYOND THE PERIPHERY OF SAID PAD TO PROVIDE A CIRCUMFERENTIAL CHANNEL WITH SAID PERIPHERY, INWARDLY FACING OPPOSITELY DISPOSED ANNULAR CHANNELS IN SAID MARGINS AT THE PERIPHERY OF SAID PAD, A RING OF WICK MATERIAL CLAMPED BY AND BETWEEN SAID DISC MARGINS, SAID RING OF WICK MATERIAL HAVING OPPOSITELY DIRECTED FLANGES RETAINED RESPECTIVELY IN SAID ANNULAR CHANNELS AND HAVING A LESSER CAPILLARY ATTRACTION CHARACTERISTIC THAN SAID PAD, A VERTICAL DRIVING SHAFT ITS AXIS CONCENTRIC WITH SAID DISCS, MEANS ON THE UPPER END OF SAID SHAFT FOR AFFIXING SAID SHAFT; TO THE UNDERSIDE OF THE LOWER ONE OF SAID DISCS, SAID PAD HAVING A CAVITY OPENING THROUGH THE UPPER FACE THEREOF CONCENTRIC WITH THE XIS OF SAID SHAFT, A STATIONARY INK SUPPLYING TUBE EXTENDING DOWNWARDLY THROUGH SAID UPPER DISC AND HAVING ITS END EMBEDDED WITHIN SAID CAVITY AND SMALL METERING APERTURES IN SAID EMBEDDED END FOR SUPPLYING INK TO SAID PAD BY WIPING ACTION.

References Cited (Backward Citations)

US2553592A Cited
US2643609A Cited
US2746388A Cited
US2773446A Cited
US2941467A Cited
US2903965A Cited
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US2941436A Cited
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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) 1968-07-12 1969-01-11 1969-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-12 1973-01-11 1973-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-12 1977-01-11 1977-07-13 $7700.00 Window Closed / Lapsed

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