Patent
   D476910
Priority
Sep 24 2002
Filed
Sep 24 2002
Issued
Jul 08 2003
Expiry
Jul 08 2017
Assg.orig
Entity
unknown
1
2
n/a
The ornamental design for a acoustic level calibrator, as shown and described.

FIG. 1 is a perspectve view of a acoustic level calibrator, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof, the right elevational view is a mirror image of the left elevational view;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof, the elements shown in broken lines is for illustrative purpose only and forms no part of the claimed design.

Chen, Li-Chuan

Patent Priority Assignee Title
D703783, Sep 21 2012 STEINERT SENSING SYSTEMS AS Acoustic measuring instrument
Patent Priority Assignee Title
4715219, Sep 23 1985 Aktieselskabet Bruel & Kajaer Acoustic calibration device
5567863, May 15 1995 Larson-Davis, Inc.; LARSON-DAVIS, INC Intensity acoustic calibrator
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule