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Patent
D756515
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Priority
Mar 10 2014
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Filed
Mar 10 2014
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Issued
May 17 2016
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Expiry
May 17 2030
TERM.DISCL.
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Assg.orig
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Entity
unknown
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9
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19
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n/a
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The ornamental design for a pupil expander, as shown and described.
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FIG. 1 is a perspective view of the pupil expander of the present invention.
FIG. 2 is a front view of the pupil expander of the present invention.
FIG. 3 is a back view of the pupil expander of the present invention.
FIG. 4 is a first side view of the pupil expander of the present invention;
FIG. 5 is a second side view of the pupil expander of the present invention.
FIG. 6 is a top view of the pupil expander of the present invention; and,
FIG. 7 is a bottom view of the pupil expander of the present invention.
Zacher, Rudolph F., Chon, James Y., Chin, Hsin S.
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| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a