U.S. patent number D321,689 [Application Number 07/360,707] was granted by the patent office on 1991-11-19 for audio amplifier.
This patent grant is currently assigned to Yamaha Corporation. Invention is credited to Yoshiro Yamakawa.
United States Patent |
D321,689 |
Yamakawa |
November 19, 1991 |
Audio amplifier
Claims
The ornamental design for an audio amplifier, as shown and
described.
Inventors: |
Yamakawa; Yoshiro (Tokyo,
JP) |
Assignee: |
Yamaha Corporation (Shizuoka,
JP)
|
Appl.
No.: |
07/360,707 |
Filed: |
June 1, 1989 |
Foreign Application Priority Data
|
|
|
|
|
Dec 3, 1988 [JP] |
|
|
63-47350 |
|
Current U.S.
Class: |
D14/188;
D14/502 |
Field of
Search: |
;D14/136,156,163,165,168-171,175-176,188-198
;455/92,100,128,344,350-351 ;312/7.1 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Shooman; Theodore M.
Attorney, Agent or Firm: Weingarten, Schurgin, Gagnebin
& Hayes
Description
FIG. 1 is a top, front and right side perspective view of an audio
amplifier showing my new design;
FIG. 2 is a top, front and right perspective view thereof, shown
with the cassette cover in the closed position;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a rear elevational view thereof; and
FIG. 8 is a bottom plan view thereof.
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