Portable pipe end preparation tool with right angle feed control

- Tri Tool Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a left side elevational view of a portable pipe end preparation tool with right angle feed control showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D276881 December 25, 1984 Astle
D276882 December 25, 1984 Astle
4114484 September 19, 1978 Feamster, III
4257289 March 24, 1981 Groothium
4319503 March 16, 1982 Saine et al.
4364290 December 21, 1982 Astle
4434689 March 6, 1984 Nall et al.
4459883 July 17, 1984 Astle
4470734 September 11, 1984 Miller
Patent History
Patent number: D303487
Type: Grant
Filed: Dec 26, 1985
Date of Patent: Sep 19, 1989
Assignee: Tri Tool Inc. (Rancho Cordovoa, CA)
Inventors: William E. Sandford (Camino, CA), Terry B. Linton (Orangevale, CA)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Bacon & Thomas
Application Number: 6/813,476
Classifications
Current U.S. Class: D 8/61