Patent
   D269894
Priority
Jun 19 1980
Filed
Dec 15 1980
Issued
Jul 26 1983
Expiry
Jul 26 1997
Assg.orig
Entity
unknown
4
4
n/a
The ornamental design for a tennis ball projector for training purposes, as shown.

FIG. 1 is a top plan view of a tennis ball projector for training purposes embodying my new design;

FIG. 2 is a front view;

FIG. 3 is a bottom plan view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a rear view;

FIG. 7 is a perspective view.

Hirabayashi, Tsugio, Nakai, Michio

Patent Priority Assignee Title
D294411, Dec 18 1985 Dynamic Behavioral Systems Inc. Ball launcher pet recreational unit
D430468, Sep 07 1999 Automatic cork extractor
D641437, Aug 24 2010 TH LOBSTER TENNIS, LLC Ball throwing machine
D911468, Oct 03 2018 Remote ball launcher
Patent Priority Assignee Title
3905349,
4291665, Oct 26 1979 CITICORP NORTH AMERICA, INC Propulsion device for spherical objects having an oscillating support frame providing a programmed discharge of said objects
212769,
GB2057893,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 15 1980Sony Corporation(assignment on the face of the patent)
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