USPTO serial 88577596

PERFEX

Reg. 6089069Status 700Renewal

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Deadline: June 30th, 2026

Class	Description	Status	First use
001	Chemicals for producing and maintaining oil and gas wells, namely, formation breakers, emulsion breakers, paraffin solvents, scale and corrosion inhibitors, surfactants and additives for algae and bacteria control	ACTIVE	Jan 4, 1977

Date	Code	Event
Jul 24, 2025	TCCA	TEAS CHANGE OF CORRESPONDENCE RECEIVED
Jul 24, 2025	ARAA	ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Jul 24, 2025	REAP	TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Jul 24, 2025	CHAN	APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Jul 24, 2025	COAR	TEAS CHANGE OF OWNER ADDRESS RECEIVED
Jun 30, 2025	REM1	COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
Jun 30, 2020	R.PR	REGISTERED-PRINCIPAL REGISTER
Apr 14, 2020	NPUB	OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Apr 14, 2020	PUBO	PUBLISHED FOR OPPOSITION
Mar 25, 2020	NONP	NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Mar 9, 2020	CNSA	APPROVED FOR PUB - PRINCIPAL REGISTER
Mar 4, 2020	TEME	TEAS/EMAIL CORRESPONDENCE ENTERED
Mar 4, 2020	CHAN	APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
Feb 26, 2020	ALIE	ASSIGNED TO LIE
Feb 20, 2020	CRFA	CORRESPONDENCE RECEIVED IN LAW OFFICE
Feb 20, 2020	TROA	TEAS RESPONSE TO OFFICE ACTION RECEIVED
Feb 20, 2020	TCCA	TEAS CHANGE OF CORRESPONDENCE RECEIVED
Nov 12, 2019	GNRN	NOTIFICATION OF NON-FINAL ACTION E-MAILED
Nov 12, 2019	GNRT	NON-FINAL ACTION E-MAILED
Nov 12, 2019	CNRT	NON-FINAL ACTION WRITTEN
Nov 12, 2019	DOCK	ASSIGNED TO EXAMINER
Aug 28, 2019	NWOS	NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Aug 16, 2019	NWAP	NEW APPLICATION ENTERED