U.S. patent number D269,894 [Application Number 06/216,183] was granted by the patent office on 1983-07-26 for tennis ball projector for training purposes.
This patent grant is currently assigned to Sony Corporation. Invention is credited to Tsugio Hirabayashi, Michio Nakai.
United States Patent |
D269,894 |
Hirabayashi , et
al. |
July 26, 1983 |
Tennis ball projector for training purposes
Claims
The ornamental design for a tennis ball projector for training
purposes, as shown.
Inventors: |
Hirabayashi; Tsugio (Tokyo,
JP), Nakai; Michio (Ebina, JP) |
Assignee: |
Sony Corporation (Tokyo,
JP)
|
Appl.
No.: |
06/216,183 |
Filed: |
December 15, 1980 |
Foreign Application Priority Data
|
|
|
|
|
Jun 19, 1980 [JP] |
|
|
55-24586 |
|
Current U.S.
Class: |
D21/720 |
Current International
Class: |
D2102 |
Field of
Search: |
;D21/210 ;273/29A,26A
;124/56,73 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Other References
The Sporting Goods Dealer, May, 1975, p. 146, top right, Tennis
Machine..
|
Primary Examiner: Feifer; Melvin B.
Attorney, Agent or Firm: Eslinger; Lewis H.
Description
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.
* * * * *