The broken line drawings of the prior blemished existing flat 2′×4′ ceiling tile and support grid are for illustrative purposes only and form no part of the claimed design.
The broken line drawings of the prior blemished existing flat 2′×4′ ceiling tile and support grid are for illustrative purposes only and form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
1803390 | Howard | May 1931 | A |
2639607 | Sanford | May 1953 | A |
4773194 | Nassof | Sep 1988 | A |
4928312 | Hill | May 1990 | A |
D364475 | Burbury et al. | Nov 1995 | S |
D486922 | Baxter | Feb 2004 | S |