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Patent
D598791
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Priority
Dec 22 2008
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Filed
Dec 22 2008
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Issued
Aug 25 2009
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Expiry
Aug 25 2023
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Assg.orig
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Entity
unknown
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2
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1
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n/a
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The ornamental design for a ring mandrel, as shown and described.
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FIG. 1 is a top perspective view of a ring mandrel of the present invention;
FIG. 2 is a top view of the ring mandrel of FIG. 1;
FIG. 3 is a left elevation view of the ring mandrel of FIG. 1, with the sizing scale shown in broken lines and forming no part of the claimed design;
FIG. 4 is a right elevation view of the ring mandrel of FIG. 1;
FIG. 5 is a rear elevation view of the ring mandrel of FIG. 1;
FIG. 6 is a front elevation view of the ring mandrel of FIG. 1;
The bottom view of the ring mandrel of FIG. 1 is a mirror image of the top view of the ring mandrel shown in FIG. 2;
FIG. 7 is a top perspective view of another version of a ring mandrel of the present invention;
FIG. 8 is a top view of the ring mandrel of FIG. 7;
FIG. 9 is a left elevation view of the ring mandrel of FIG. 7, with the sizing scale shown in broken lines and forming no part of the claimed design;
FIG. 10 is a right elevation view of the ring mandrel of FIG. 7;
FIG. 11 is a rear elevation view of the ring mandrel of FIG. 7; and,
FIG. 12 is a front elevation view of the ring mandrel of FIG. 7.
The bottom view of the ring mandrel of FIG. 7 is a mirror image of the top view of the ring mandrel shown in FIG. 8.
Kohl, Thomas D.
Patent |
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Title |
518921, |
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