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US3266046A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrostatic printer

Assignee: LE FEBURE Inc
•
Filing: 1961-01-24
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Granted: 1966-08-09
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Expires: 1981-01-24
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Abstract

No abstract record available.

Inventors

  • 👤 Sherman H Boyd

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 12:09
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/34; G03G15/344; G03G15/346; G03G15/06; Y; Y10; Y10S; Y10S101/00; Y10S101/37

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 89 words
THE COMBINATION COMPRISING: A CONTAINER FOR CHARGED ELECTROSCOPIC PARTICLES, SAID CONTAINER HAVING AN OPENING; A PLATE OUTSIDE THE CONTAINER AND OPPOSITE SAID OPENING; MEANS TO IMPOSE AN ELECTRICAL POTENTIAL BETWEEN SAID CONTAINER AND PLATE FOR DIRECTING SAID PARTICLES THROUGH SAID OPENING; A GRILLE INTERPOSED BETWEEN SAID PLATE AND OPENING; MEANS FOR VARYING THE POTENTIAL OF SELECTED PORTIONS OF SAID GRILLE, FOR CONTROLLING THE PASSAGE OF SAID PARTICLES, WHEREBY ONLY PARTICLES AT A SELECTED AREA MAY IMPINGE ON A PRINTING MEDIUM PLACED IN THE SPACE BETWEEN SAID GRILLE AND PLATE.
Claim 2
Dependent Claim 89 words
THE COMBINATION COMPRISING: A CONTAINER FOR CHARGED ELECTROSCOPIC PARTICLES, SAID CONTAINER HAVING AN OPENING; A PLATE OUTSIDE THE CONTAINER AND OPPOSITE SAID OPENING; MEANS TO IMPOSE AN ELECTRICAL POTENTIAL BETWEEN SAID CONTAINER AND PLATE FOR DIRECTING SAID PARTICLES THROUGH SAID OPENING; A GRILLE INTERPOSED BETWEEN SAID PLATE AND OPENING; MEANS FOR VARYING THE POTENTIAL OF SELECTED PORTIONS OF SAID GRILLE, FOR CONTROLLING THE PASSAGE OF SAID PARTICLES, WHEREBY ONLY PARTICLES AT A SELECTED AREA MAY IMPINGE ON A PRINTING MEDIUM PLACED IN THE SPACE BETWEEN SAID GRILLE AND PLATE.

References Cited (Backward Citations)

US2595617A Cited
US2691345A Cited
US2716826A Cited
US2994575A Cited
US3001848A Cited
US3161882A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-08 1970-02-07 1970-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-08 1974-02-07 1974-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-08 1978-02-07 1978-08-09 $7700.00 Window Closed / Lapsed

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