Structure movement sensor

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Description

FIG. 1 is a perspective view of a structure movement sensor showing my new design;

FIG. 2 is a left side elevational view, the right side elevational view being a mirror image;

FIG. 3 is a top plan view, the bottom plan view being a mirror image;

FIG. 4 is a rear elevational view; and,

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D245677 September 6, 1977 Hackett
D248930 August 15, 1978 Kahl, Jr.
D271573 November 29, 1983 Wada et al.
D280389 September 3, 1985 Austin
D308347 June 5, 1990 Bryenton et al.
4335375 June 15, 1982 Schaeffer
4990888 February 5, 1991 Vogt et al.
5015840 May 14, 1991 Blau
Patent History
Patent number: D328440
Type: Grant
Filed: Jun 12, 1990
Date of Patent: Aug 4, 1992
Assignee: Metrum Corporation (Lakewood, CO)
Inventor: Scott W. Harper (Littleton, CO)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Antoine D. Davis
Attorney: William P. O'Meara
Application Number: 7/536,492
Classifications
Current U.S. Class: D10/106; Provided With Handle, Or Hand-held (D10/78); Electrical Property (D10/75)