U.S. patent number D309,415 [Application Number 07/180,018] was granted by the patent office on 1990-07-24 for knife sharpener.
Invention is credited to Kiyoshi Shimizu.
United States Patent |
D309,415 |
Shimizu |
July 24, 1990 |
Knife sharpener
Claims
The ornamental design for a knife sharpener, as shown and
described.
Inventors: |
Shimizu; Kiyoshi (Miki-city
Hyogo, JP) |
Appl.
No.: |
07/180,018 |
Filed: |
April 11, 1988 |
Foreign Application Priority Data
|
|
|
|
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Oct 29, 1987 [JP] |
|
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62-44293 |
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Current U.S.
Class: |
D8/93; D8/63 |
Field of
Search: |
;D8/63,90-93
;51/8BS,84BS,98BS,19BS,211H,214,25WG,173 ;76/82,85,83 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
Primary Examiner: Dunkins; Bruce W.
Assistant Examiner: Heflin; Clare E.
Attorney, Agent or Firm: Adams; Bruce L. Wilks; Van C.
Description
FIG. 1 is a top plan view of a knife sharpener showing my new
design;
FIG. 2 is a right side elevational view thereof, the left side
being the same in appearance as the right side;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a front elevational view thereof; and
FIG. 5 is a bottom plan view thereof.
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