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Knife sharpener |
| D328847 |
Knife sharpener
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| Patent Drawings: | |
| Inventor: |
Button, et al. |
| Date Issued: |
August 25, 1992 |
| Application: |
07/358,604 |
| Filed: |
May 30, 1989 |
| Inventors: |
Button; Frank R. (Lake Hamilton, AR)
Taylor; Alvin E. (Lake Hamilton, AR)
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| Assignee: |
Tri-V Corporation (Pearcy, AR) |
| Primary Examiner: |
Ansher; Bernard |
| Assistant Examiner: |
Hyder; Philip |
| Attorney Or Agent: |
Helfrich; George F. |
| U.S. Class: |
D8/93 |
| Field Of Search: |
D8/91; D8/92; D8/93; 51/157; 51/158; 51/211R; 51/211H; 51/25HG; 51/214; 51/221BS; 76/86; 76/88 |
| International Class: |
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| U.S Patent Documents: |
D290222; 4231194; 4538382; 4719722; 4731953; 4903438; 4912885 |
| Foreign Patent Documents: |
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| Other References: |
Chicago Cutlery Cat., 1983, p. 7, Crock Stick Sharpeners.. |
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| Abstract: |
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| Claim: |
The ornamental design for a knife sharpener, as shown and described. |
| Description: |
FIG. 1 is a perspective view of a knife sharpener showing my new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a front elevational view thereof.
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