Hole shaping cutter

- Tri Tech U.S.A., Inc.

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Description

FIG. 1 is a side elevational view of the hole shaping cutter showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D211403 June 1968 Miller
D241000 August 1976 Smith
2557191 June 1951 King
2690750 October 1954 Steinberg
3548690 December 1970 Horrocks
Patent History
Patent number: D297804
Type: Grant
Filed: Nov 4, 1985
Date of Patent: Sep 27, 1988
Assignee: Tri Tech U.S.A., Inc. (Williston, VT)
Inventor: Blease M. Matthews (Georgia, VT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Clare E. Heflin
Attorney: Thomas N. Neiman
Application Number: 6/803,854
Classifications
Current U.S. Class: D 8/98