|
The ornamental design for a knife sharpener, as shown. |
|||||||||||||||||
FIG. 1 is a top plan view of a knife sharpener showing our new design.
FIG. 2 is a right side elevational view thereof.
FIG. 3 is a bottom plan view thereof.
FIG. 4 is a left side elevational view thereof.
FIG.5 is an end elevational view taken from line 5--5 of FIG. 1.
FIG. 6 is a sectional view taken along line 6--6 of FIG. 3.
FIG. 7 is an end elevational view taken from line 7--7 of FIG. 3.
FIG. 8 is a sectional view taken along line 8--8 of FIG. 1.
Zabel, Herbert E., Gruska, Casimir
| Patent | Priority | Assignee | Title |
| D299308, | Sep 28 1987 | Corning Glass Works | Knife sharpener |
| D341534, | Sep 16 1991 | Knife sharpener | |
| D374804, | Feb 21 1995 | INTRUDER, INC | Knife sharpener |
| D469326, | Aug 20 2001 | Blade sharpening device with aligning, blade-driven, sharpening rollers | |
| D484019, | Jan 10 2003 | WKI HOLDING COMPANY, INC | Dual sharpener |
| D517891, | Feb 13 2003 | Master Cutlery Corporation | Blade sharpener |
| D640116, | Jun 28 2010 | SMITH S CONSUMER PRODUCTS, INC | Abrasive sharpener |
| D817738, | Jun 14 2016 | Manual knife sharpener |
| Patent | Priority | Assignee | Title |
| 1919772, | |||
| 2765680, | |||
| 3289498, | |||
| 145803, | |||
| FR534112, | |||
| GB137430, | |||
| SE44508, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Feb 18 1982 | ZABEL, HERBERT E | American Home Products Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004191 | /0242 | |
| Feb 18 1982 | GRUSKA, CASIMIR | American Home Products Corporation | ASSIGNMENT OF ASSIGNORS INTEREST | 004191 | /0242 | |
| Feb 22 1982 | American Home Products Corporation | (assignment on the face of the patent) | / | |||
| Sep 07 1984 | EKCO HOUSEWARES, INC , A DE CORP | WELLS FARGO BANK, NATIONAL ASSOCIATION, A NATIONAL BANKING ASSOCIATION | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004321 | /0110 | |
| Sep 07 1984 | AMERICAN HOME PRODUCTS CORPORATION A DE CORP | EKCO HOUSEWARES, INC , A DE CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 004324 | /0639 | |
| Mar 25 1996 | EKCO HOUSEWARES, INC | FLEET BANK OF MASS N A , AS AGENT | SECURITY AGREEMENT | 007863 | /0786 |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |