Patent
   D631541
Priority
Jun 18 2008
Filed
Jun 18 2008
Issued
Jan 25 2011
Expiry
Jan 25 2025
Assg.orig
Entity
unknown
4
19
n/a
The ornamental design for a dacryocyst drainage tube, as shown and described.

FIG. 1 is a front perspective view of a dacryocyst drainage tube showing my new design;

FIG. 2 is a front view thereof, with a portion shown in cross-section;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof, the unshown opposite side being of identical appearance;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a sectional view taken in the direction of the arrows upon the line 66 of FIG. 2 and enlarged twice the size of FIG. 2 with portions broken away in order to fit the enlarged view upon the drawing sheet.

Bigelow, Warren V., Min, Zhang Qing

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Jun 18 2008International Medical, Inc.(assignment on the face of the patent)
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