Antenna coupler for a portable grid locator

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Description

FIG. 1 is a front and upper left perspective view of an antenna coupler for a portable grid locator showing our new design mounted on a portable grid locator. The broken line showing of the portable grid locator is included for the purpose of illustrating environmental elements only and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof and a mirror image of a right side view;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear and lower perspective view thereof.

Referenced Cited
U.S. Patent Documents
D229832 January 1974 Finkel
D244140 April 26, 1977 Zinichev et al.
D291532 August 25, 1987 Hill
D312617 December 4, 1990 Makita et al.
D312817 December 11, 1990 Lazzeroni et al.
D327690 July 7, 1992 Ogawa et al.
Patent History
Patent number: D343383
Type: Grant
Filed: Feb 12, 1992
Date of Patent: Jan 18, 1994
Assignee: Trimble Navigation Limited (Sunnyvale, CA)
Inventors: Jack P. Hall (Palo Alto, CA), David J. Lima (Los Altos, CA), John G. Tang (San Carlos, CA), Kwok F. Lui (San Francisco, CA), Modesto M. Bascos, Jr. (San Jose, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorney: Thomas E. Schatzel
Application Number: 7/837,417
Classifications
Current U.S. Class: Connector, Conductor Or Housing Therefor (10) (D13/133)