Duplex attachment for a printer
United States Patent D356816

Cahill, Daniel P. (Verona, KY)
Dunning, Gordon R. (Versailles, KY)
Leemhuis, Michael C. (Nicholasville, KY)
Silverstein, Steven A. (Lexington, KY)
Westhoff, Daniel J. (Georgetown, KY)
Yohon Jr., Edward W. (Lexington, KY)
Application Number:
Publication Date:
Filing Date:
Lexmark International, Inc. (Greenwich, CT)
Primary Class:
Other Classes:
Field of Search:
D18/46-49, D18/56, 271/3, 271/3.1, 271/8.1, 271/9, 271/10, 271/18, 271/116, 271/122, 271/258, 271/110, 271/111, 271/114, 271/119, 271/126, 271/147, 271/157, 271/171, 355/200, 355/308, 355/309, 355/321, 358/498
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US Patent References:
D332798PrinterJanuary, 1993Crowe et al.D18/55
D321532PrinterNovember, 1991Doyle et al.D18/55
D317173Envelope supply tray for printerMay, 1991Kojima et al.D18/49
4702466Sheet material feeder for copiers and other sheet processing apparatusOctober, 1987DuBoisD18/49
4674735Automatic sheet feeder for copiers and other machines having sheet transport mechanisms and assemblies therewithJune, 1987DuBois et al.D18/49

Foreign References:
JP0035567February, 1989355/321
Primary Examiner:
Holtje, Nelson C.
Assistant Examiner:
Veynar, Caron D.
Attorney, Agent or Firm:
Brady, John A.
1. The ornamental design of a duplex attachment for a printer, as shown anddescribed.


FIG. 1 is a top plan view of a duplex attachment for a printer showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top, front left side perspective view thereof.