Excavator tooth

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of an excavator tooth, showing our new design;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left being a mirror image;

FIG. 4 is a rear end elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D228936 October 1973 Dahlberg
D284010 May 27, 1986 Voyce
2689419 September 1954 Daniels et al.
2707343 May 1955 Baer
3136077 June 1964 Troeppl
3225467 December 1965 Troeppl
3326302 June 1967 Washbond et al.
3426459 February 1969 Petersen
3729055 April 1973 Burridge
3959901 June 1, 1976 Klett
4083605 April 11, 1978 College et al.
4269274 May 26, 1981 Robertson et al.
4360981 November 30, 1982 Bierwith et al.
4835888 June 6, 1989 Hemphill
Patent History
Patent number: D329243
Type: Grant
Filed: Mar 20, 1990
Date of Patent: Sep 8, 1992
Assignee: G. H. Hensley Industries, Inc. (Dallas, TX)
Inventor: Howard W. Robinson (Grapevine, TX)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Hubbard, Thurman, Tucker & Harris
Application Number: 7/496,340
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)