Auger bit

United States of America Patent

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Aug 11, 2009
Grant Date
Feb 14, 2008
app pub date
Apr 25, 2007
filing date
Apr 26, 2006

priority date (Note)
Expired

status (Latency Note)

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Abstract

The invention relates to an auger bit for an earth auger, in which at least two curved plates are provided and extend radially outwards from a drilling axis, the axial height decreasing radially outwards.

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Patent Owner(s)

Patent Owner	Address
BAUER MASCHINEN GMBH	BAUER-STR 1 SCHROBENHAUSEN 86529

International Classification(s)

E21B:EARTH OR ROCK DRILLING

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Stoetzer, Erwin	Aichach, DE	14	80

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Auger bit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11790373

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PATENT NO	7571781
APP PUB NO	20080035385A1
SERIAL NO	11790373
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 11, 2009	US,7571781,B2 US7571781B2	GRANTED PATENT AS SECOND PUBLICATION
February 14, 2008	US,20080035385,A1 US20080035385A1	FIRST PUBLISHED PATENT APPLICATION

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11790373

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