CLAYLOK Trademark

Trademark Overview


On Wednesday, January 17, 1973, a trademark application was filed for CLAYLOK with the United States Patent and Trademark Office. The USPTO has given the CLAYLOK trademark a serial number of 72446141. The federal status of this trademark filing is EXPIRED as of Monday, February 17, 1997. This trademark is owned by CHERVON RESEARCH COMPANY. The CLAYLOK trademark is filed in the Construction & Repair Services category with the following description:

OIL WELL FORMATION PERMEABILITY MAINTENANCE SERVICE BY INJECTING A CHEMICAL WHICH STABILIZES CLAY FORMATIONS

General Information


Serial Number72446141
Word MarkCLAYLOK
Filing DateWednesday, January 17, 1973
Status900 - EXPIRED
Status DateMonday, February 17, 1997
Registration Number1039430
Registration DateTuesday, May 11, 1976
Mark Drawing1000 - Typeset: Word(s) / letter(s) / number(s)
Published for Opposition DateNOT AVAILABLE

Trademark Statements


Goods and ServicesOIL WELL FORMATION PERMEABILITY MAINTENANCE SERVICE BY INJECTING A CHEMICAL WHICH STABILIZES CLAY FORMATIONS

Classification Information


International Class037 - Building construction; repair; installation services.
US Class Codes103
Class Status Code9 - Expired
Class Status DateMonday, February 17, 1997
Primary Code103
First Use Anywhere DateTuesday, September 19, 1972
First Use In Commerce DateSunday, October 8, 1972

Trademark Owner History


Party NameCHERVON RESEARCH COMPANY
Party Type30 - Original Registrant
Legal Entity Type03 - Corporation
AddressSAN FRANCISCO, CA 94104

Trademark Events


Event DateEvent Description
Monday, February 17, 1997EXPIRED SEC. 9
Monday, May 3, 1982REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.