Auger boring head plug

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Description

FIG. 1 is a bottom perspective view of the auger boring head plug of the instant invention;

FIG. 2 is a bottom plane view thereof;

FIG. 3 is a top plane view of thereof; and,

FIG. 4 is a side view of the instant invention.

Referenced Cited
U.S. Patent Documents
1899273 February 1933 Hinderliter
2908514 October 1959 Davis
Patent History
Patent number: D391276
Type: Grant
Filed: Oct 31, 1995
Date of Patent: Feb 24, 1998
Inventor: Rudolf Roth (Lake Worth, FL)
Primary Examiner: Antoine Duval Davis
Law Firm: McHale & Slavin, P.A.
Application Number: 0/45,844
Classifications
Current U.S. Class: Element Or Attachment (D15/138); Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;