Retention system

United States of America Patent

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Oct 11, 2011
Grant Date
Oct 9, 2008
app pub date
Jun 9, 2008
filing date
Aug 11, 2006

priority date (Note)
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Abstract

A retention assembly has a carbide bolster with a first and second segment brazed together, each segment forming at least part of a cavity formed of the bolster. A shaft has an inserted end is interlocked within the cavity.

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Patent Owner(s)

Patent Owner	Address
SCHLUMBERGER TECHNOLOGY CORPORATION	300 SCHLUMBERGER DRIVE MD 23 SUGAR LAND TX 77478

International Classification(s)

E21C:MINING OR QUARRYING

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Dahlgren, Scott	Alpine, US	140	4073
Durrand, Christopher	Pleasant Grove, US	18	416
Elqueta, Italo	Lehi, US	5	108
Hall, David R	Provo, US	1292	20766
Marshall, Jonathan	Provo, US	61	803
Wilde, Tyson J	Spanish Fork, US	62	1340

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Retention system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

12135714

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PATENT NO	8033615
APP PUB NO	20080246329A1
SERIAL NO	12135714
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
October 11, 2011	US,8033615,B2 US8033615B2	GRANTED PATENT AS SECOND PUBLICATION
October 09, 2008	US,20080246329,A1 US20080246329A1	FIRST PUBLISHED PATENT APPLICATION

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12135714

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Abstract

First Claim

Family

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Maintenance Fees

Full Text

Legal Events

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