Patent
   D251098
Priority
Aug 17 1976
Filed
Feb 11 1977
Issued
Feb 20 1979
Expiry
Feb 20 1993
Assg.orig
Entity
unknown
17
5
n/a
The ornamental design for a portable adjustable seat, as shown and described.

FIG. 1 is a front perspective view of a portable adjustable seat showing our design;

FIG. 2 is a rear perspective view;

FIG. 3 is a perspective view of the seat shown in collapsed position;

FIG. 4 is a sectional view on an enlarged scale showing the seat portion in greater detail; and

FIG. 5 is a front perspective view of the article of FIG. 1 wherein the adjustable seat member is shown in an alternate position.

Diedrich, Fritz, Kirchmann, Hans

Patent Priority Assignee Title
D259598, Jul 31 1978 Giroflex Entwicklungs AG Chair or similar article
D271352, Oct 02 1981 Gispen and Staalmeubel B.V. Stool
D282800, Nov 24 1982 Frame for a chair
D284429, Oct 28 1983 Combined cane and seat unit
D284529, Jul 18 1983 BANKS, ROBERT GEORGE Folding stool
D306379, Sep 19 1986 Combined portable seat and carrier for use primarily by a huntsman
D309989, Jul 13 1987 Portable stool for use primarily by huntsman
D398786, Sep 18 1997 Auxilary bicycle seat
D400032, Sep 29 1997 Seat plate
D400724, Nov 03 1997 Folding chair
D467745, Feb 28 2002 Steelcase Inc Seating unit
D473389, Feb 28 2002 Steelcase Inc Seating unit
D474041, Aug 02 2002 HOWARD, TITO L Portable folding chair
D523253, Sep 09 2005 I-Max International Co., Ltd. Chair
D695051, Jun 11 2012 Seat base
D702450, Jun 28 2013 Standing chair
D761574, Aug 09 2013 Paolo, Gullo Walking stick which converts into a seat
Patent Priority Assignee Title
2649140,
3310340,
3497293,
3817483,
184602,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 11 1977Firma Heinrich Wilhelm Dreyer(assignment on the face of the patent)
Sep 07 1983FIRMA HEINREICH WILHELM DRYERDIADEM LAND- AND BAUMASCHINEN GMBH & CO KG ASSIGNMENT OF ASSIGNORS INTEREST 0063250696 pdf
Jul 09 1986DIADEM LAND - AND BAUMASCHINEN GMBH & CO KGWILA MASCHINENFABRIK GMBH & CO KG ASSIGNMENT OF ASSIGNORS INTEREST 0063250681 pdf
Aug 24 1990WILA MASCHINENFABRIK + CO KGBEGEMANN WALTRAUD NEE BALVEASSIGNMENT OF ASSIGNORS INTEREST 0063250713 pdf
Aug 24 1990WILA MASCHINENFABRIK + CO KGBEGEMANN, KARLHEINZASSIGNMENT OF ASSIGNORS INTEREST 0063250713 pdf
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