Height finder for a surveying instrument support

Description

FIG. 1 is a front and top-left perspective view of a height finder for a surveying instrument support showing my new design;

FIG. 2 is a front and top-right perspective view thereof;

FIG. 3 is a left side-rear perspective view thereof; and

FIG. 4 is a rear and bottom perspective view thereof.

The broken line showings of FIGS. 1-4 are environmental only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D255104 May 27, 1980 Haidek
D266746 November 2, 1982 Wilson
3021599 February 1962 Odom
3390461 July 1968 Anderson
3808692 May 1974 Gartner
3824695 July 1974 McClay
Foreign Patent Documents
1551242 November 1968 FRX
Patent History
Patent number: D302251
Type: Grant
Filed: Jul 24, 1986
Date of Patent: Jul 18, 1989
Inventor: Edgar E. Dudley (Birmingham, AL)
Primary Examiner: Nelson C. Holtje
Attorney: C. A. Phillips
Application Number: 6/889,010