Battery operated knife sharpener
United States Patent D284736

Kawai, Sigeru (Higasimurayama, JP)
Komiya, Masaru (Higasiyamato, JP)
Application Number:
Publication Date:
Filing Date:
Kyusyu Hitachi Maxell, Ltd. (Fukuoka, JP)
Primary Class:
Field of Search:
D8/91-93, D8/35, D8/63, D16/6, 51/80BS, 51/205WG, 51/214, 76/82, 76/84, 76/86, 76/88, 76/82.2
View Patent Images:
US Patent References:
D259492Still camera with integral flashJune, 1981SwayzeD16/6
D237832N/ANovember, 1975Winkler et al.D16/6
D202799N/ANovember, 1965De Fano et al.D8/93
D162768N/AApril, 1951AnheuserD8/93
2278553Razor hone and holderApril, 1942Morrow51/214
1837352Razor blade conditioning deviceDecember, 1931Willcox51/80BS

Primary Examiner:
Lucas, Susan J.
Assistant Examiner:
Heflin C. E.
Attorney, Agent or Firm:
Antonelli, Terry & Wands
1. The ornamental design for a battery operated knife sharpener, as shown.


FIG. 1 is a front, top and right side perspective view of a battery operated knife sharpener showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof.