EPT Trademark

Trademark Overview


On Monday, October 5, 1981, a trademark application was filed for EPT with the United States Patent and Trademark Office. The USPTO has given the EPT trademark a serial number of 73331160. The federal status of this trademark filing is CANCELLED - SECTION 8 as of Tuesday, November 14, 1989. This trademark is owned by Schlumberger Technology Corporation. The EPT trademark is filed in the Computer & Software Services & Scientific Services category with the following description:

Wireline Services, Particularly for Providing Identification of Oil, Gas, and Water Zones, and of Residual Oil Saturation, in Uncased Boreholes

General Information


Serial Number73331160
Word MarkEPT
Filing DateMonday, October 5, 1981
Status710 - CANCELLED - SECTION 8
Status DateTuesday, November 14, 1989
Registration Number1243260
Registration DateTuesday, June 21, 1983
Mark Drawing1000 - Typeset: Word(s) / letter(s) / number(s)
Published for Opposition DateTuesday, March 29, 1983

Trademark Statements


Goods and ServicesWireline Services, Particularly for Providing Identification of Oil, Gas, and Water Zones, and of Residual Oil Saturation, in Uncased Boreholes

Classification Information


International Class042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.
US Class Codes100
Class Status Code2 - Sec. 8 - Entire Registration
Class Status DateTuesday, November 14, 1989
Primary Code042
First Use Anywhere DateSunday, January 1, 1978
First Use In Commerce DateSunday, January 1, 1978

Trademark Owner History


Party NameSchlumberger Technology Corporation
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressHouston, TX 77001

Party NameSchlumberger Technology Corporation
Party Type20 - Owner at Publication
Legal Entity Type03 - Corporation
AddressHouston, TX 77001

Party NameSchlumberger Technology Corporation
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressHouston, TX 77001

Trademark Events


Event DateEvent Description
Tuesday, November 14, 1989CANCELLED SEC. 8 (6-YR)
Tuesday, June 21, 1983REGISTERED-PRINCIPAL REGISTER
Tuesday, March 29, 1983PUBLISHED FOR OPPOSITION
Tuesday, June 21, 1983REGISTERED-PRINCIPAL REGISTER
Tuesday, June 21, 1983REGISTERED-PRINCIPAL REGISTER
Tuesday, February 22, 1983NOTICE OF PUBLICATION
Thursday, April 22, 1982NON-FINAL ACTION MAILED
Monday, March 15, 1982ASSIGNED TO EXAMINER