The body of the cover is formed as a wrap-around or unitary clam shell with a trifurcated hinge along the top.
The broken lines in
The body of the cover is formed as a wrap-around or unitary clam shell with a trifurcated hinge along the top.
The broken lines in
Number | Name | Date | Kind |
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2889629 | Darkenwald | Jun 1959 | A |
5183953 | Anderson et al. | Feb 1993 | A |
5561563 | Chesnut et al. | Oct 1996 | A |
5661920 | Evans | Sep 1997 | A |
7441364 | Rogers et al. | Oct 2008 | B2 |
8226251 | Kreutzig | Jul 2012 | B1 |