Casing centralizer having spiral blades
Description
The broken lines showing a cylinder are included for the purposes of illustrating only and form no part of the claimed design.
Claims
The ornamental design of casing centralizer having spiral blades, substantially as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
2622684 | December 1952 | Kluck |
2865605 | December 1958 | Chadderdon |
3049382 | August 1962 | Ell |
3747700 | July 1973 | Rilling |
3938853 | February 17, 1976 | Jurgens et al. |
4984633 | January 15, 1991 | Langer et al. |
D363293 | October 17, 1995 | Hatcher |
5797455 | August 25, 1998 | Barron et al. |
5881810 | March 16, 1999 | Reinholdt et al. |
5908072 | June 1, 1999 | Hawkins |
5937948 | August 17, 1999 | Robbins, III |
6006830 | December 28, 1999 | Barron et al. |
6283205 | September 4, 2001 | Cannon |
6435275 | August 20, 2002 | Kirk |
6666267 | December 23, 2003 | Charlton |
6725939 | April 27, 2004 | Richard |
7082997 | August 1, 2006 | Slack |
7409758 | August 12, 2008 | Le et al. |
8167034 | May 1, 2012 | Castro |
D663750 | July 17, 2012 | Andrigo et al. |
D664568 | July 31, 2012 | Andrigo et al. |
D665824 | August 21, 2012 | Andrigo et al. |
D665825 | August 21, 2012 | Andrigo et al. |
D674817 | January 22, 2013 | Andrigo et al. |
D674818 | January 22, 2013 | Andrigo et al. |
D676464 | February 19, 2013 | Hansen et al. |
20110114307 | May 19, 2011 | Casassa et al. |
1032867 | June 1978 | CA |
1154380 | September 1983 | CA |
0138603 | October 1984 | EP |
0140311 | August 1985 | EP |
0297716 | May 1988 | EP |
0333450 | March 1989 | EP |
0671546 | March 1995 | EP |
682362 | December 1950 | GB |
2016063 | March 1979 | GB |
2171436 | August 1986 | GB |
2226520 | July 1990 | GB |
2233690 | January 1991 | GB |
2249333 | May 1992 | GB |
2275284 | August 1994 | GB |
2282615 | April 1995 | GB |
2288198 | October 1995 | GB |
2304753 | March 1997 | GB |
2329209 | March 1999 | GB |
910593 | May 1991 | WO |
9510685 | April 1995 | WO |
9521986 | August 1995 | WO |
9634173 | October 1996 | WO |
9837302 | August 1998 | WO |
9925949 | May 1999 | WO |
0166904 | September 2001 | WO |
0204781 | January 2002 | WO |
- Halliburton; Casing Attachments, 2009, pp. 12-2 to 12-25 Dec. 31, 2009.
- Ray Oil Tool Co.; The Centralization Specialists, Brochure, 36 pages Feb. 2, 2004.
- Top-Co Inc., et al v. Summit Energy Services, Inc., US District Court, Southern Dist of Texas, Houston Div, Civil Action No. 4:13-cv-00445, Defendant's Response to Infringement Contentions Jun. 18, 2013.
- Top-Co Inc., et al v. Summit Energy Services, Inc., US District Court, Southern Dist of Texas, Houston Div, Civil Action No. 4:13-cv-00445, Original Complaint Feb. 19, 2013.
- Photographs A-D are photographs of casing centralizers that are believed to be commercially available prior to Applicant's priority filing date. Applicant is presently.
- Attempting to determine the actual dates of commercial availability, publication, etc. (relevant dates) for the casing centralizers illustrated.
- Plaintiffs' Brief on Claim Construction, Top-Co Inc., et al. v. Summit Energy Services, Inc., et al., US District Court, Southern District of Texas, Houston Division, Civil Action No. 4:13-ev-00445, 15 pages Jul. 10, 2013.
- Top-Co LP, Casing Accessories, Top-Co Type 346 Top Reach Glider, Top-Co—268, Exhibit 4, 1 page Jul. 16, 2013.
- Top-Co LP, Casing Accessories, Top-Co Type 346 Top Reach Glider, Top-Co—188, Exhibit 6, 1 page Jul. 16, 2013.
- Top-Co LP, Casing Accessories, Top-Co Type 346 Top Reach Glider, Top-Co—192, Exhibit 7, 1 page Jul. 16, 2013.
- Top-Co LP, Casing Accessories, Top-Co Type 346 Top-Reach Glider, Top-Co—269, Exhbiit 8, 1 page Jul. 16, 2013.
- Top-Co Tech News, Top-Co Type 34 Top-Reach Glider, Top-Co—316-325, Exhibit 9, 10 pages Jul. 16, 2013.
- Defendant Summit Energy Services, Inc.'s D/B/A Summit Casing Equipment's Response to Plaintiffs' Brief on Claim Construction, Top-Co Inc., et al v. Summit Energy Services, Inc., US District Court, Civil Action No. 4:13-cv-00445, 33 pages Jul. 23, 2013.
Patent History
Patent number: D736836
Type: Grant
Filed: Apr 11, 2013
Date of Patent: Aug 18, 2015
Assignee: Summit Enery Services, Inc. (Fort Worth, TX)
Inventors: Mitchel D. Hansen (Aledo, TX), Andrew M. Eldridge (Fort Worth, TX)
Primary Examiner: Mark Goodwin
Application Number: 29/452,070
Type: Grant
Filed: Apr 11, 2013
Date of Patent: Aug 18, 2015
Assignee: Summit Enery Services, Inc. (Fort Worth, TX)
Inventors: Mitchel D. Hansen (Aledo, TX), Andrew M. Eldridge (Fort Worth, TX)
Primary Examiner: Mark Goodwin
Application Number: 29/452,070
Classifications
Current U.S. Class:
Drilling, Mining, Or Soil Treatment (includes Element) (D15/21)