Pressure-wave switch
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Description
FIG. 1 is a front view of the pressure-wave switch of the present invention;
FIG. 2. is a rear view of the pressure-wave switch of FIG. 1;
FIG. 3 is a plan view of the pressure-wave switch of FIG. 1;
FIG. 4 is a bottom view of the pressure-wave switch of FIG. 1; and,
FIGS. 5-6 are respective side views of the pressure-wave switch of FIG. 1.
Claims
The ornamental design for a pressure-wave switch, as shown and described.
Referenced Cited
Patent History
Patent number: D453740
Type: Grant
Filed: Apr 26, 2000
Date of Patent: Feb 19, 2002
Assignee: Bircher AG
Inventors: Christof Lexer (Jestetten), Godert de Jager (Uelketswil)
Primary Examiner: Ted Shooman
Assistant Examiner: Selina Sikder
Attorney, Agent or Law Firm: Bachman & LaPointe, P.C.
Application Number: 29/122,364
Type: Grant
Filed: Apr 26, 2000
Date of Patent: Feb 19, 2002
Assignee: Bircher AG
Inventors: Christof Lexer (Jestetten), Godert de Jager (Uelketswil)
Primary Examiner: Ted Shooman
Assistant Examiner: Selina Sikder
Attorney, Agent or Law Firm: Bachman & LaPointe, P.C.
Application Number: 29/122,364
Classifications