Patent
   D540700
Priority
Mar 18 2005
Filed
Aug 30 2005
Issued
Apr 17 2007
Expiry
Apr 17 2021
Assg.orig
Entity
unknown
3
9
n/a
The ornamental design for a crystal resonator for qcm measurement of toxic materials, as shown and described.

FIG. 1 is a top plan view of a crystal resonator of a new design;

FIG. 2 is a bottom plan view of the crystal resonator shown in FIG. 1;

FIG. 3 is a left side view of the crystal resonator shown in FIG. 1;

FIG. 4 is a right side view of the crystal resonator shown in FIG. 1;

FIG. 5 is a front elevational view of the crystal resonator shown in FIG. 1;

FIG. 6 is a cross-sectional view taken along line 6—6 of FIG. 1.

FIG. 7 is a cross-sectional view taken along line 7—7 of FIG. 1.

FIG. 8 is a perspective view of the crystal resonator shown in FIG. 1,

FIG. 9 is a perspective view showing the assembling components of the crystal resonator; and,

FIG. 10 is a perspective view showing the assembling components of the crystal resonator.

Wakamatsu, Shunichi

Patent Priority Assignee Title
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Aug 30 2005Nihon Dempa Kogyo Co., Ltd.(assignment on the face of the patent)
Sep 29 2005WAKAMATSU, SHUNICHINIHON DEMPA KOGYO CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0171030870 pdf
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