Drilling tool

United States of America Patent

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Oct 31, 1995
Grant Date
N/A
app pub date
Mar 30, 1994
filing date
May 5, 1993

priority date (Note)
Expired

status (Latency Note)

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Abstract

A drilling tool and, in particular, a rock drill, which is of multi-part design, is proposed. In this, the drill head and/or the clamping shank is connected via a helical shank designed as a threaded rod.

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Patent Owner(s)

Patent Owner	Address
HAWERA PROBST GMBH	SCHUETZENSTRASSE 77 D-88212 RAVENSBURG GERMANY

International Classification(s)

E21B:EARTH OR ROCK DRILLING

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Peetz, Wolfgang	Fronreute, DE	15	219

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Drilling tool

Number of patents in Portfolio can not be more than 2000

United States of America Patent

08220038

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Patent Longevity Expired	Forward Citations

PATENT NO	5462130
SERIAL NO	08220038
DOCKET NO

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08220038

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Abstract

First Claim

Family

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