Drilling machine

Description

FIG. 1 is a top plan view of a drilling machine showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view taken from the left of FIG. 2;

FIG. 4 is a side view taken from the right of FIG. 1;

FIG. 5 is a back view thereof; and

FIG. 6 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D222108 September 1971 Freer
D257679 December 23, 1980 Cleary et al.
3008155 November 1961 Tsuda
3069936 December 1962 Gideon
3374695 March 1968 Lehberger
4118141 October 3, 1978 Spohn, Jr.
Patent History
Patent number: D277865
Type: Grant
Filed: Sep 14, 1982
Date of Patent: Mar 5, 1985
Inventor: Ruey Zon Chen (Tali Hsiang, Taichung Hsien)
Primary Examiner: B. J. Bullock
Attorney: Leonard Bloom
Application Number: 6/417,891
Classifications
Current U.S. Class: Drilling (7) (D15/132)