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US3179042A Expired / Lapsed US ⏱️ 0.0 years remaining

Sudden steam printer

Assignee: Unisys Corp
•
Filing: 1962-06-28
•
Granted: 1965-04-20
•
Expires: 1982-06-28
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Abstract

No abstract record available.

Inventors

  • 👤 Naiman Mark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:51
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/135; B41J2/14; B41J2/14016; B41J2/14088; B41J2/14096

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 228 words
PRINTING MEANS OF THE TYPE WHEREIN NO FORCE IS EXERTED BETWEEN A CHARACTER FORMING MEANS AND THE SURFACE TO BE PRINTED UPON COMPRISING: A PLURALITY OF INK TUBES PLACED ADJACENT AND PERPENDICULAR TO SAID SURFACE TO BE PRINTED UPON, SAID TUBES BEING SEALED AT ONE END AND OPEN AT THE END ADJACENT SAID SURFACE; AN INK SUPPLY, SAID INK BEING CAPABLE OF PASSING CURRENT, AND HAVING A HIGH I2R LOSS, WHERE I2 IS THE SQUARE OF THE CURRENT AND R IS THE RESISTANCE OF THE INK TO CURRENT FLOW; CONNECTING MEANS CONNECTING SAID INK SUPPLY TO SAID INK TUBES FOR FILLING SAID INK TUBES WITH INK TO A PREDETERMINED LEVEL; A PLURALITY OF ELECTRICAL MEANS, EACH OF SAID ELECTRICAL MEANS BEING MOUNTED IN A SEPARATE ONE OF SAID INK TUBES BELOW THE SURFACE OF SAID INK LEVEL IN SAID TUBES AND OPERABLE TO CAUSE A PORTION OF THE INK IN ITS ASSOCIATED TUBE TO BE VAPORIZED; MEANS HAVING A PLURALITY OF APERTURES MOUNTED INTERMEDIATE SAID INK TUBES AND SAID SURFACE, EACH APERTURE BEING ASSOCIATED WITH A SINGLE ONE OF SAID ELECTRICAL MEANS, TO DIRECT AND SHAPE THE PORTION OF INK VAPORIZED BY ITS ASSOCIATED ELECTRICAL MEANS TO IMPINGE UPON SAID SURFACE; AND MEANS ADAPTED TO RECEIVE SELECTION SIGNALS TO SELECTIVELY OPERATE EACH OF SAID PLURALITY OF ELECTRICAL MEANS WHEREBY THE DESIRED PRINTED CHARACTERS ARE PRODUCED UPON SAID SURFACE.
Claim 2
Dependent Claim 228 words
PRINTING MEANS OF THE TYPE WHEREIN NO FORCE IS EXERTED BETWEEN A CHARACTER FORMING MEANS AND THE SURFACE TO BE PRINTED UPON COMPRISING: A PLURALITY OF INK TUBES PLACED ADJACENT AND PERPENDICULAR TO SAID SURFACE TO BE PRINTED UPON, SAID TUBES BEING SEALED AT ONE END AND OPEN AT THE END ADJACENT SAID SURFACE; AN INK SUPPLY, SAID INK BEING CAPABLE OF PASSING CURRENT, AND HAVING A HIGH I2R LOSS, WHERE I2 IS THE SQUARE OF THE CURRENT AND R IS THE RESISTANCE OF THE INK TO CURRENT FLOW; CONNECTING MEANS CONNECTING SAID INK SUPPLY TO SAID INK TUBES FOR FILLING SAID INK TUBES WITH INK TO A PREDETERMINED LEVEL; A PLURALITY OF ELECTRICAL MEANS, EACH OF SAID ELECTRICAL MEANS BEING MOUNTED IN A SEPARATE ONE OF SAID INK TUBES BELOW THE SURFACE OF SAID INK LEVEL IN SAID TUBES AND OPERABLE TO CAUSE A PORTION OF THE INK IN ITS ASSOCIATED TUBE TO BE VAPORIZED; MEANS HAVING A PLURALITY OF APERTURES MOUNTED INTERMEDIATE SAID INK TUBES AND SAID SURFACE, EACH APERTURE BEING ASSOCIATED WITH A SINGLE ONE OF SAID ELECTRICAL MEANS, TO DIRECT AND SHAPE THE PORTION OF INK VAPORIZED BY ITS ASSOCIATED ELECTRICAL MEANS TO IMPINGE UPON SAID SURFACE; AND MEANS ADAPTED TO RECEIVE SELECTION SIGNALS TO SELECTIVELY OPERATE EACH OF SAID PLURALITY OF ELECTRICAL MEANS WHEREBY THE DESIRED PRINTED CHARACTERS ARE PRODUCED UPON SAID SURFACE.

References Cited (Backward Citations)

US2035475A Cited
US2143376A Cited
GB605979A Cited
US2925312A Cited
US2975703A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-19 1968-10-19 1969-04-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-19 1972-10-19 1973-04-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-19 1976-10-19 1977-04-20 $7700.00 Window Closed / Lapsed

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