The broken lines shown in the drawings represent unclaimed portions of the corner system and form no part of the claimed design.
The broken lines shown in the drawings represent unclaimed portions of the corner system and form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
3836043 | Levin | Sep 1974 | A |
D246625 | Becker, III | Dec 1977 | S |
4430833 | Balzer et al. | Feb 1984 | A |
4706426 | Rumsey | Nov 1987 | A |
4768845 | Yeh | Sep 1988 | A |
4817902 | Mason | Apr 1989 | A |
5000301 | Grenier | Mar 1991 | A |
5503471 | Aspenwall | Apr 1996 | A |
5647182 | Rutherford | Jul 1997 | A |
D412436 | Tsui | Aug 1999 | S |
6125488 | Vogland et al. | Oct 2000 | A |
6354049 | Bennett | Mar 2002 | B1 |
6419331 | Wei | Jul 2002 | B2 |
D478502 | Zamberg et al. | Aug 2003 | S |
D479799 | Zamberg et al. | Sep 2003 | S |
6881469 | Hightower | Apr 2005 | B2 |
D525372 | Levi-Senigaglia | Jul 2006 | S |
7168208 | Ward | Jan 2007 | B2 |
20090266739 | Kindig | Oct 2009 | A1 |
20090269131 | Kindig et al. | Oct 2009 | A1 |