Portable learning unit
Latest Control Data Corporation Patents:
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.
D232607 | September 1974 | Kramer et al. |
3160451 | December 1964 | Lewis |
3233346 | February 1966 | Cornberg |
3728801 | April 1973 | Beckman |
4046437 | September 6, 1977 | Caron et al. |
- Sweet's Architectural Cat. File, 1969, 36b/Su, p. 4, Suttle Corp., study carrels.
Type: Grant
Filed: Apr 27, 1977
Date of Patent: Aug 14, 1979
Assignee: Control Data Corporation (Minneapolis, MN)
Inventor: Eugene Richgels (West St. Paul, MN)
Primary Examiner: Melvin B. Feifer
Attorney: Robert M. Angus
Application Number: 5/791,459
International Classification: D1401;