Patent
   D475023
Priority
Jun 06 2002
Filed
Jun 06 2002
Issued
May 27 2003
Expiry
May 27 2017
Assg.orig
Entity
unknown
9
8
n/a
The ornamental design for a piezoelectric actuator device, as shown and described.

FIG. 1 is a bottom perspective view of the piezoelectric actuator device of our invention;

FIG. 2 is an inverted front elevational view of the piezoelectric actuator device illustrated in FIG. 1;

FIG. 3 is a bottom plan view of the piezoelectric actuator device illustrated in FIG. 1;

FIG. 4 is a top plan view of the piezoelectric actuator device illustrated in FIG. 1; and,

FIG. 5 is a left side elevational view of the piezoelectric actuator device illustrated in FIG. 1, the right side being a mirror image thereof.

The broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design.

Waterfield, L. Glenn, Maushard, Jerry P

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Patent Priority Assignee Title
4035672, Feb 06 1975 CTS Corporation Acoustic transducer with a dual purpose piezoelectric element
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193186,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 05 2002MAUSHARD, JERRY P Caterpillar IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129860797 pdf
Jun 05 2002WATERFIELD, L GLENNCaterpillar IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0129860797 pdf
Jun 06 2002Caterpillar Inc(assignment on the face of the patent)
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