Patent
   D953179
Priority
Jun 30 2018
Filed
Jul 20 2020
Issued
May 31 2022
Expiry
May 31 2037
Assg.orig
Entity
unknown
0
19
n/a
The ornamental design for a testing instrument, as shown and described.

FIG. 1 is a front, right-side, top perspective view of the testing device of the design according to a second embodiment;

FIG. 2 is a rear, left-side, top perspective view of thereof;

FIG. 3 is a partial front elevational view thereof;

FIG. 4 is a partial rear elevational view thereof;

FIG. 5 is a partial top plan view thereof;

FIG. 6 is an enlargement of area 6 in FIG. 1; and,

FIG. 7 is an enlargement of area 7 in FIG. 2.

The broken lines depict either (i) enlargement areas that form no part of the claimed design, or (ii) parts of the testing device that form no part of the claimed design.

Miyashita, Hiroshi, Matsumoto, Sigeru, Murauchi, Kazuhiro, Tokita, Shuichi

Patent Priority Assignee Title
Patent Priority Assignee Title
4594878, Jun 24 1983 Nippo Sangyo Co. Ltd. Dynamic friction coefficient measuring apparatus
4947332, Sep 27 1989 GM Global Technology Operations, Inc Road surface estimation
5229955, Mar 09 1990 TOYOTAS JIDOSHA KABUSHIKI KAISHA Apparatus for detecting road surface frictional coefficient
5385393, Jun 24 1992 Honda Giken Kogyo Kabushiki Kaisha Device for calculating coefficient of friction of road surface
6203121, Dec 25 1998 Aisin Seiki Kabushiki Kaisha Coefficient of friction peak estimation apparatus
7751961, Sep 15 2005 GM Global Technology Operations LLC Acceleration/deceleration induced real-time identification of maximum tire-road friction coefficient
8682599, Jun 30 2008 NISSAN MOTOR CO , LTD Road surface friction coefficient estimating device and road surface friction coefficient estimating method
9927347, Apr 30 2015 State of California, Department of Transportation Pneumatic ram road surface coefficient of friction measuring device and method
20010006002,
20040144167,
20060144121,
20100192665,
JP2002116119,
JP201420807,
JP4150351,
JP4198610,
JP5243166,
JP5999977,
JP6076620,
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Jul 20 2020KOKUSAI KEISOKUKI KABUSHIKI KAISHA(assignment on the face of the patent)
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