The dotted lines show an environment of the design and do not form a portion of the ornamental design. The dash-dot-dash broken lines in the drawings define boundaries of the claim and form no part thereof.
The dotted lines show an environment of the design and do not form a portion of the ornamental design. The dash-dot-dash broken lines in the drawings define boundaries of the claim and form no part thereof.
Number | Name | Date | Kind |
---|---|---|---|
1294616 | Carlson | Feb 1919 | A |
1935592 | Stivers | Nov 1933 | A |
1959647 | Stivers | May 1934 | A |
D109074 | Walker | Mar 1938 | S |
2114410 | Walker | Apr 1938 | A |
2453207 | Dunn | Nov 1948 | A |
3721049 | Nakahara | Mar 1973 | A |
3882642 | Sykes | May 1975 | A |
4212136 | Stertzbach | Jul 1980 | A |
D287095 | Hunter | Dec 1986 | S |
D290222 | Moody | Jun 1987 | S |
4903438 | Smith | Feb 1990 | A |
D306816 | Hudnall et al. | Mar 1990 | S |
9216487 | Dovel | Dec 2015 | B1 |
D947644 | Huang | Apr 2022 | S |
D973968 | Yoo | Dec 2022 | S |
Entry |
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Work Sharp WSBCHBSS Benchstone Knife Sharpener, Amazon.com, First available Apr. 28, 2020. |
Work Sharp Benchtop Whetstone Knife Sharpener, Amazon.com, First available Apr. 28, 2020. |
Number | Date | Country | |
---|---|---|---|
Parent | 29788187 | Apr 2021 | US |
Child | 29875323 | US |