Core drill
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Description
FIG. 1 is a perspective view of the core drill;
FIG. 2 is a front view thereof; (the rear view thereof is a mirror image of this)
FIG. 3 is a left side view thereof; (the right side view thereof is a mirror image of this)
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a cross-sectional view of the core drill of FIG. 1 taken along section line 6—6.
Claims
The ornamental design for a core drill, as shown and described.
Referenced Cited
Patent History
Patent number: D466139
Type: Grant
Filed: Nov 16, 2001
Date of Patent: Nov 26, 2002
Assignee: Ehwa Diamond Industrial Co., Ltd.
Inventors: See Hyung Kim (Sungnam), Joon Ho Chang (Gunsan)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firm: Webb Ziesenheim Logsdon Orkin & Hanson, P.C.
Application Number: 29/150,361
Type: Grant
Filed: Nov 16, 2001
Date of Patent: Nov 26, 2002
Assignee: Ehwa Diamond Industrial Co., Ltd.
Inventors: See Hyung Kim (Sungnam), Joon Ho Chang (Gunsan)
Primary Examiner: Antoine Duval Davis
Attorney, Agent or Law Firm: Webb Ziesenheim Logsdon Orkin & Hanson, P.C.
Application Number: 29/150,361
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;
International Classification: 1509;