Portable gas detector-alarm

- Riken Keiki Co., Ltd.
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Description

FIG. 1 and FIG. 2 are a perspective view showing the right and left sides of the article;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

Claims

The ornamental design for a portable gas detector-alarm, as shown and described.

Referenced Cited
U.S. Patent Documents
D399157 October 6, 1998 Hsu et al.
D433953 November 21, 2000 Woznicki et al.
Patent History
Patent number: D447974
Type: Grant
Filed: Oct 17, 2000
Date of Patent: Sep 18, 2001
Assignee: Riken Keiki Co., Ltd. (Tokyo)
Inventors: Juniti Koyano (Tokyo), Shuji Tajima (Tokyo), Masahide Kitamura (Tokyo)
Primary Examiner: Marcus A. Jackson
Attorney, Agent or Law Firm: Connolly Bove Lodge & Hutz
Application Number: 29/131,205
Classifications
Current U.S. Class: D10/106
International Classification: 1005;