Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.

Patents

  1. Advanced Patent Search
Publication numberUSD663750 S1
Publication typeGrant
Application numberUS 29/405,121
Publication dateJul 17, 2012
Filing dateOct 28, 2011
Priority dateOct 28, 2011
Publication number29405121, 405121, US D663750 S1, US D663750S1, US-S1-D663750, USD663750 S1, USD663750S1
InventorsGregory Andrigo, Alfredo Sanchez
Original AssigneeTop-Co Cementing Products Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Casing centralizer
US D663750 S1
Abstract  available in
Images(5)
Previous page
Next page
Claims(1)
  1. The ornamental design for a casing centralizer, as shown and described.
Description

This application is related to (1) U.S. Design application Ser. No. 29/405,113, filed Oct. 28, 2011; (2) U.S. Design application Ser. No. 29/405,117, filed Oct. 28, 2011; (3) U.S. Design application Ser. No. 29/405,122, filed Oct. 28, 2011; (4) U.S. Design application Ser. No. 29/405,124, filed Oct. 28, 2011; (5) U.S. Design application Ser. No. 29/405,130, filed Oct. 28, 2011; (6) U.S. Design application Ser. No. 29/405,133, filed Oct. 28, 2011, the entire disclosures of which are incorporated herein by reference.

FIG. 1 is a perspective view of a casing centralizer showing our new design according to a first embodiment;

FIG. 2 is an elevational view of the first embodiment;

FIG. 3 is a top plan view of the first embodiment, the bottom plan view of the first embodiment being identical to the top plan view of the first embodiment;

FIG. 4 is a sectional view of the first embodiment taken along line 4-4 of FIG. 3;

FIG. 5 is an elevational view of the casing centralizer according to a second embodiment, the second embodiment being identical to the first embodiment except that the second embodiment has one indeterminate length as indicated in FIG. 5; and,

FIG. 6 is a top plan view of the casing centralizer according to a third embodiment, the third embodiment being identical to the first embodiment except that the third embodiment has six indeterminate lengths as indicated in FIG. 6.

Non-Patent Citations
Reference
1Nicholson et al., Geothermal-Well Completions: A Survey and Technical Evaluation of Existing Equipment and Needs, Jul. 1982, pp. 3-1 through 3-41.
2Notice of Allowance mailed Feb. 27, 2012 by the USPTO regarding U.S. Appl. No. 29/405,113.
3Notice of Allowance mailed Feb. 27, 2012 by the USPTO regarding U.S. Appl. No. 29/405,133.
4Office Action mailed Feb. 29, 2012 by the USPTO regarding U.S. Appl. No. 29/405,117.
5Office Action mailed Feb. 29, 2012 by the USPTO regarding U.S. Appl. No. 29/405,124.
6Top-Co Tech News, "Primary Cementing Process and Application of Casing Accessories," vol. 1, Issue 2, Dec. 2009, 2 pages.
7Top-Co Type 346 Stand Off Band—Phenolizer, May 1, 2009.
8U.S. Appl. No. 29/405,113, filed Oct. 28, 2011, Andrigo et al.
9U.S. Appl. No. 29/405,117, filed Oct. 28, 2011, Andrigo et al.
10U.S. Appl. No. 29/405,122, filed Oct. 28, 2011, Andrigo et al.
11U.S. Appl. No. 29/405,124, filed Oct. 28, 2011, Andrigo et al.
12U.S. Appl. No. 29/405,130, filed Oct. 28, 2011, Andrigo et al.
13U.S. Appl. No. 29/405,133, filed Oct. 28, 2011, Andrigo et al.
Classifications
U.S. ClassificationD15/21