Restriction engaging system

US9038656B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9038656-B2
Application numberUS-201113340939-A
CountryUS
Kind codeB2
Filing dateDec 30, 2011
Priority dateMay 7, 2009
Publication dateMay 26, 2015
Grant dateMay 26, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A restriction engaging system includes, a restriction engager, one or more restrictions, and at least one counter configured to permit or prevent passage of a restriction engager through one of the one or more restrictions.

First claim

Opening claim text (preview).

What is claimed: 1. A system, comprising: one or more restriction engagers; one or more restrictions; and at least one counter configured to permit or prevent passage of a restriction engager through one of the one or more restrictions, the at least one counter configured to be responsively indexed each time one of the restriction engagers passes through the one of the one or more restrictions, the at least one counter preventing passage of an additional one of the restriction…

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Frequently asked questions

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What does patent US9038656B2 cover?
A restriction engaging system includes, a restriction engager, one or more restrictions, and at least one counter configured to permit or prevent passage of a restriction engager through one of the one or more restrictions.
Who is the assignee on this patent?
Gerrard David P, Xu Yang, Baker Hughes Inc
What technology area does this patent fall under?
Primary CPC classification E21B33/1208. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue May 26 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).