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Publication numberUSD252635 S
Publication typeGrant
Application numberUS 05/791,459
Publication dateAug 14, 1979
Filing dateApr 27, 1977
Publication number05791459, 791459, US D252635 S, US D252635S, US-S-D252635, USD252635 S, USD252635S
InventorsEugene Richgels
Original AssigneeControl Data Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Portable learning unit
US D252635 S
Images(5)
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Claims(1)
  1. The ornamental design for a portable learning unit, as shown and described.
Description

FIG. 1 is a perspective view of the preferred embodiment of a portable learning unit showing a portion of the front, left side and top thereof;

FIG. 2 is an enlarged right side view thereof;

FIG. 3 is a rearward perspective view showing a portion of the rear, right side and top thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a frontal view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a frontal view of a portable learning unit in accordance with a modification of the present design;

FIG. 8 is a perspective view of the modification illustrated in FIG. 7 showing a portion of the front, left side and top thereof; and,

FIG. 9 is a perspective view as in FIGS. 1 and 8 showing the portable learning unit in a closed position.

The bottom of both embodiments is plain and unornamented.

The right side, rear and rearward perspective views of the embodiment shown in FIGS. 7 and 8, are the same as shown in FIGS. 2, 6 and 3, respectively.

The top of the embodiment shown in FIGS. 7 and 8 is the same as that shown in FIG. 4, except that the keyboard and telephone set shown in FIG. 4 are not present in a top view of embodiment shown in FIGS. 7 and 8.

The left side of both embodiments is a mirror image of FIG. 2.

Non-Patent Citations
Reference
1Sweet's Architectural Cat. File, 1969, 36b/Su, p. 4, Suttle Corp., study carrels.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6220181Oct 21, 1999Apr 24, 2001Marek HorskiErgonomic CAD (computer aided design) workstation
US7116350 *Nov 19, 2003Oct 3, 2006Destiny Conferencing LlcTeleconferencing method and system
Classifications
U.S. ClassificationD19/60, D06/643