Plug cutter

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Description

FIG. 1 is a top plan view of a plug cutter showing my new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a side elevation thereof;

FIG. 4 is an enlarged cross-section taken on line 4--4 of FIG. 2; and

FIG. 5 is a top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D223892 June 1972 Smith
D251698 May 1, 1979 Bartholomew
1480151 January 1924 Cosman
1791957 February 1931 Cummings
1857383 May 1932 Johnson
2028483 January 1936 Van Yahres
2612725 October 1952 Casey
3064353 November 1962 Montgomery
3127939 April 1964 Rink
3464732 September 1969 Woodward
3865055 February 1975 Gilbaugh
Patent History
Patent number: D258112
Type: Grant
Filed: Oct 26, 1978
Date of Patent: Feb 3, 1981
Inventor: Gregory G. Klapp (St. Louis, MO)
Primary Examiner: Bernard Ansher
Attorney: Edward H. Renner
Application Number: 5/954,989
Classifications
Current U.S. Class: D 8/7; D 8/5
International Classification: D0801;