USPatentGranted
S1

Centralizer

Granted 15 Dec 2020 · 2 office actions

Application
29/637,126
filed 14 Feb 2018
Publication
Not published
not published
Patent· this page
US D905126
granted 15 Dec 2020

Life of the patent

2 dated events
⤢ drag to zoomJan 2018Jul 2018Jan 2019Jul 2019Jan 2020Jul 2020Jan 2021Prosecution
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Description

1 parts
›FIG. 1 is a side view of a…

FIG. 1 is a side view of a centralizer, according to a first embodiment. The centralizer is positioned on a tubular and stop collars are disposed on the tubular on either axial end of the centralizer.

FIG. 2 is an end view of the centralizer, according to the first embodiment, positioned on the tubular.

FIG. 3 is a side view of a centralizer, according to a second embodiment. The centralizer is positioned on a tubular and stop collars are disposed on the tubular on either axial end of the centralizer.

FIG. 4 is an end view of the centralizer, according to the second embodiment, positioned on the tubular.

FIG. 5 is a side view of a centralizer, according to a third embodiment. The centralizer is positioned on a tubular and stop collars are disposed on the tubular in windows through either end collar of the centralizer.

FIG. 6 is an end view of the centralizer, according to the third embodiment, positioned on the tubular.

FIG. 7 is a side view of a centralizer, according to a fourth embodiment. The centralizer is positioned on a tubular and stop collars are disposed on the tubular in windows through either end collar of the centralizer; and,

FIG. 8 is an end view of the centralizer, according to the fourth embodiment, positioned on the tubular.

The broken lines in the drawings depict unclaimed portion of the centralizer only and form no part of the claimed design.

the grant prints no section headings; every part label below is ours, taken from that part's own first words

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

1 codes
USPC · US Patent Classification
D15/21

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File wrapper

Pendency
2.8 y
1,035 days filing → grant
Office actions
1
non-final + final
Responses
1
no RCE
Examiner
Khawaja Anwar
art unit 2922 · TC 2900
Citations: 64 back · 0 forward

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Chain of title

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Citations

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