
| Serial Number | 85309855 | 
| Word Mark | WELLMASTER | 
| Filing Date | Monday, May 2, 2011 | 
| Status | 710 - CANCELLED - SECTION 8 | 
| Status Date | Friday, December 9, 2022 | 
| Registration Number | 4148929 | 
| Registration Date | Tuesday, May 29, 2012 | 
| Mark Drawing | 4000 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form | 
| Published for Opposition Date | Tuesday, March 13, 2012 | 
| Goods and Services | Large-bore system for deepwater casing and liner running comprising a cementing head, dart alignment submersibles, surge reduction tool, a liner hanger system with associated running tools, namely, polished bore receptacle, liner top packer, liner hanger, darts, plugs, centralizer submersibles, plug indicator, mechanical ball seat, auto-fill float valves, debris reduction shoe, reamer shoe, a rotating guide shoe and retractable shoe for use in the hydrocarbon exploration and production field | 
| Pseudo Mark | WELL MASTER | 
| International Class | 007 - Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs. | 
| US Class Codes | 013, 019, 021, 023, 031, 034, 035 | 
| Class Status Code | 2 - Sec. 8 - Entire Registration | 
| Class Status Date | Friday, December 9, 2022 | 
| Primary Code | 007 | 
| First Use Anywhere Date | Friday, October 25, 2002 | 
| First Use In Commerce Date | Tuesday, June 1, 2004 | 
| Party Name | WEATHERFORD TECHNOLOGY HOLDINGS, LLC | 
| Party Type | 31 - New Owner After Registration | 
| Legal Entity Type | 16 - Limited Liability Company | 
| Address | HOUSTON, TX 77056 | 
| Party Name | Weatherford/Lamb, Inc. | 
| Party Type | 30 - Original Registrant | 
| Legal Entity Type | 03 - Corporation | 
| Address | Houston, TX 77027 | 
| Party Name | Weatherford/Lamb, Inc. | 
| Party Type | 20 - Owner at Publication | 
| Legal Entity Type | 03 - Corporation | 
| Address | Houston, TX 77027 | 
| Party Name | Weatherford/Lamb, Inc. | 
| Party Type | 10 - Original Applicant | 
| Legal Entity Type | 03 - Corporation | 
| Address | Houston, TX 77027 | 
| Event Date | Event Description | 
| Wednesday, May 3, 2023 | ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY | 
| Friday, December 9, 2022 | CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9 | 
| Saturday, May 29, 2021 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED | 
| Monday, April 29, 2019 | TEAS CHANGE OF CORRESPONDENCE RECEIVED | 
| Wednesday, May 23, 2018 | NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED | 
| Wednesday, May 23, 2018 | REGISTERED - SEC. 8 (6-YR) ACCEPTED | 
| Wednesday, May 23, 2018 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL | 
| Monday, May 21, 2018 | TEAS SECTION 8 RECEIVED | 
| Monday, May 29, 2017 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED | 
| Wednesday, November 12, 2014 | AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP | 
| Monday, February 25, 2013 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED | 
| Monday, February 25, 2013 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED | 
| Tuesday, May 29, 2012 | REGISTERED-PRINCIPAL REGISTER | 
| Tuesday, March 13, 2012 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED | 
| Tuesday, March 13, 2012 | PUBLISHED FOR OPPOSITION | 
| Wednesday, February 22, 2012 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED | 
| Friday, February 3, 2012 | LAW OFFICE PUBLICATION REVIEW COMPLETED | 
| Thursday, February 2, 2012 | ASSIGNED TO LIE | 
| Thursday, January 19, 2012 | APPROVED FOR PUB - PRINCIPAL REGISTER | 
| Thursday, January 19, 2012 | EXAMINER'S AMENDMENT ENTERED | 
| Thursday, January 19, 2012 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED | 
| Thursday, January 19, 2012 | EXAMINERS AMENDMENT E-MAILED | 
| Thursday, January 19, 2012 | EXAMINERS AMENDMENT -WRITTEN | 
| Tuesday, December 20, 2011 | TEAS/EMAIL CORRESPONDENCE ENTERED | 
| Monday, December 19, 2011 | CORRESPONDENCE RECEIVED IN LAW OFFICE | 
| Monday, December 19, 2011 | TEAS RESPONSE TO OFFICE ACTION RECEIVED | 
| Sunday, June 19, 2011 | NOTIFICATION OF NON-FINAL ACTION E-MAILED | 
| Sunday, June 19, 2011 | NON-FINAL ACTION E-MAILED | 
| Sunday, June 19, 2011 | NON-FINAL ACTION WRITTEN | 
| Sunday, June 19, 2011 | ASSIGNED TO EXAMINER | 
| Friday, May 6, 2011 | NOTICE OF PSEUDO MARK MAILED | 
| Thursday, May 5, 2011 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED | 
| Thursday, May 5, 2011 | NEW APPLICATION ENTERED |