The thickness forms no part of the claim. Each of the seven circles in the drawings represents an opening in the sheet.
The thickness forms no part of the claim. Each of the seven circles in the drawings represents an opening in the sheet.
Number | Name | Date | Kind |
---|---|---|---|
D52674 | Samour | Nov 1918 | S |
1352674 | Mitchel | Sep 1920 | A |
1549110 | Greger | Aug 1925 | A |
1559696 | Heberling | Nov 1925 | A |
D117260 | Egerton | Oct 1939 | S |
2510336 | Donahue | Jun 1950 | A |
D183355 | Lewis | Aug 1958 | S |
3177611 | Beck | Apr 1965 | A |
D204660 | Vuotto | May 1966 | S |
D230807 | Penson | Mar 1974 | S |
D253776 | Molenaar | Dec 1979 | S |
4789370 | Ellefson | Dec 1988 | A |
5092809 | Kessler | Mar 1992 | A |
D331785 | Mast | Dec 1992 | S |
D437894 | Johann | Feb 2001 | S |
6716082 | Chen Pan | Apr 2004 | B1 |
D518298 | Hynnek | Apr 2006 | S |
D709281 | Pearson | Jul 2014 | S |