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US3345926A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrophotographic copying machine

Assignee: FORMFOTO Manufacturing CO
•
Filing: 1964-11-12
•
Granted: 1967-10-10
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Expires: 1984-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 Tiger Emil
  • 👤 Erskine G Corman
  • 👤 Kenneth R Reick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 14:10
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/11; G03D; G03D15/00; G03D15/02; G03D15/027; G03G15/22; G03G15/28

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 236 words
AN ELECTROPHOTOGRAPHIC MACHINE COMPRISING A HOUSING HAVING AN UPPER FRONT ENTRY OPENING RECEPTIVE OF A DOCUMENT TO BE COPIED, A DOCUMENT EXIT OPENING IMMEDIATELY BELOW SAID ENTRY OPENING, MEANS DEFINING A DOCUMENT PATH FROM SAID ENTRY OPENING TO SAID EXIT OPENING AND INCLUDING DOCUMENT TRANSPORTING MEANS AND A DOCUMENT SCANNING APERTURE, AN EXPOSURE LAMP AND REFLECTOR MOUNTED IN THE HOUSING ADJACENTLY BELOW SAID EXIT OPENING AND TRAINED TOWARD SAID SCANNING APERTURE, A REFLECTING MIRROR BELOW SAID REFLECTOR AND LAMP AND SCANNING EACH DOCUMENT TRAVERSING SAID SCANNING APERTURE, A PROJECTION TUNNEL HAVING PROJECTION OPTICS THEREIN AND LEADING FROM SAID MIRROR GENERALLY UPWARDLY AND REARWARDLY AND TERMINATING IN AN EXPOSURE APERTURE, A COPY PAPER SUPPLY MAGAZINE IN THE TOP OF SAID HOUSING, A PAPER CHARGING CORONA DISCHARGE DEVICE BETWEEN SAID MAGAZINE AND SAID EXPOSURE APERTURE, MEANS OPERATIVE TO FEED PAPER FROM THE MAGAZINE THROUGH THE CORONA DISCHARGE DEVICE AND THEN THROUGH SAID EXPOSURE APERTURE, A LIQUID TONER RECEPTACLE BELOW SAID EXPOSURE APERTURE RECEPTIVE OF THE EXPOSED PAPER AFTER IT LEAVES THE EXPOSURE APERTURE, SQUEEZE ROLLERS ENGAGEABLE WITH THE DEVELOPED COPY PAPER ON LEAVING THE BATH, A COPY RECEPTACLE ACCESSIBLE FROM THE FRONT OF THE HOUSING AND LOCATED BELOW SAID MIRROR, AND MEANS DEFINING A COPY DISCHARGE CHUTE LEADING FORWARDLY FROM SAID SQUEEZE ROLLERS TO SAID COPY RECEPTACLE AND INCLUDING OVERLYING DOWNWARDLY FACING SHIELD MEANS ALONG THE BOTTOM OF THE LIGHT TUNNEL DEFINING THE UPPER SIDE OF THE CHUTE.
Claim 2
Dependent Claim 236 words
AN ELECTROPHOTOGRAPHIC MACHINE COMPRISING A HOUSING HAVING AN UPPER FRONT ENTRY OPENING RECEPTIVE OF A DOCUMENT TO BE COPIED, A DOCUMENT EXIT OPENING IMMEDIATELY BELOW SAID ENTRY OPENING, MEANS DEFINING A DOCUMENT PATH FROM SAID ENTRY OPENING TO SAID EXIT OPENING AND INCLUDING DOCUMENT TRANSPORTING MEANS AND A DOCUMENT SCANNING APERTURE, AN EXPOSURE LAMP AND REFLECTOR MOUNTED IN THE HOUSING ADJACENTLY BELOW SAID EXIT OPENING AND TRAINED TOWARD SAID SCANNING APERTURE, A REFLECTING MIRROR BELOW SAID REFLECTOR AND LAMP AND SCANNING EACH DOCUMENT TRAVERSING SAID SCANNING APERTURE, A PROJECTION TUNNEL HAVING PROJECTION OPTICS THEREIN AND LEADING FROM SAID MIRROR GENERALLY UPWARDLY AND REARWARDLY AND TERMINATING IN AN EXPOSURE APERTURE, A COPY PAPER SUPPLY MAGAZINE IN THE TOP OF SAID HOUSING, A PAPER CHARGING CORONA DISCHARGE DEVICE BETWEEN SAID MAGAZINE AND SAID EXPOSURE APERTURE, MEANS OPERATIVE TO FEED PAPER FROM THE MAGAZINE THROUGH THE CORONA DISCHARGE DEVICE AND THEN THROUGH SAID EXPOSURE APERTURE, A LIQUID TONER RECEPTACLE BELOW SAID EXPOSURE APERTURE RECEPTIVE OF THE EXPOSED PAPER AFTER IT LEAVES THE EXPOSURE APERTURE, SQUEEZE ROLLERS ENGAGEABLE WITH THE DEVELOPED COPY PAPER ON LEAVING THE BATH, A COPY RECEPTACLE ACCESSIBLE FROM THE FRONT OF THE HOUSING AND LOCATED BELOW SAID MIRROR, AND MEANS DEFINING A COPY DISCHARGE CHUTE LEADING FORWARDLY FROM SAID SQUEEZE ROLLERS TO SAID COPY RECEPTACLE AND INCLUDING OVERLYING DOWNWARDLY FACING SHIELD MEANS ALONG THE BOTTOM OF THE LIGHT TUNNEL DEFINING THE UPPER SIDE OF THE CHUTE.

References Cited (Backward Citations)

US2771816A Cited
US2751814A Cited
US3005389A Cited
US3245330A Cited
US3272100A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-09 1971-04-10 1971-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-09 1975-04-10 1975-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-09 1979-04-10 1979-10-10 $7700.00 Window Closed / Lapsed

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