Control knob
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Description
FIG. 1 is a perspective view of a control knob showing my new design;
FIG. 2 is a right side view, the left side being a mirror image thereof;
FIG. 3 is a top view, the bottom being a mirror image thereof;
FIG. 4 is a front view;
FIG. 5 is a rear view;
FIG. 6 is a perspective view of a second embodiment of the design of FIG. 1;
FIG. 7 is a right side view of FIG. 6, the left side being a mirror image thereof;
FIG. 8 is a top plan view of FIG. 6; the bottom being a mirror image thereof;
FIG. 9 is a front view of FIG. 6; and
FIG. 10 is a rear view of FIG. 6.
Referenced Cited
U.S. Patent Documents
2171361 | August 1939 | Gits et al. |
2512440 | June 1950 | Book |
2513271 | July 1950 | Bluemink et al. |
2688678 | September 1954 | Henderson |
Patent History
Patent number: D324479
Type: Grant
Filed: Jun 19, 1989
Date of Patent: Mar 10, 1992
Assignee: Heinrich Kipp Werk
Inventor: Bernhard Tinz (Stuttgart)
Primary Examiner: B. J. Bullock
Application Number: 7/368,211
Type: Grant
Filed: Jun 19, 1989
Date of Patent: Mar 10, 1992
Assignee: Heinrich Kipp Werk
Inventor: Bernhard Tinz (Stuttgart)
Primary Examiner: B. J. Bullock
Application Number: 7/368,211
Classifications
Current U.S. Class:
D/8310;
D/8312