Portable vibrating chisel

- Nitto Kohki Co., Ltd.
Description

FIG. 1 is a top, front and right-side perspective view of a portable vibrating chisel showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view;

FIG. 5 is a front elevational view;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D292368 October 20, 1987 Mikiya
D293073 December 8, 1987 Kurihara
D299411 January 17, 1989 Porcaro
4368784 January 18, 1983 Wunsch et al.
Patent History
Patent number: D333079
Type: Grant
Filed: Dec 26, 1990
Date of Patent: Feb 9, 1993
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventor: Toshio Mikiya (Tokyo)
Primary Examiner: Alan P. Douglas
Assistant Examiner: J. H. Musgrove
Law Firm: Wenderoth, Lind & Ponack
Application Number: 7/634,072
Classifications
Current U.S. Class: D 8/68