Drawing for DUOFLUX

USPTO serial 79450299

DUOFLUX

Reviewed by CopyMark Law Group

Status 641Office Action
Filing date
Status date
Registration date
—
Examiner
FIRST, VIVIAN M
Law office
TMO LAW OFFICE 114

What this means

The USPTO has issued an Office Action on this application. A response is typically required before the deadline, or the application can be abandoned.

Status 641: Status 641 means the USPTO mailed a non-final Office Action identifying issues with your application. You typically have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application.

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Owner

Goods and services

ClassDescriptionStatusFirst use
001Chemicals for use in chromatography; chemical materials for separation, for use in liquid chromatography columns; chemical materials for packing, for use in liquid chromatography columns; carrier materials for liquid chromatography; chemicals for use in filtration and purification of exosomes from cell culture liquid; cellulose for use in industry; industrial chemicals; reagents for scientific use.ACTIVE—
009Chromatography apparatus and parts thereof; chromatography columns and parts thereof; liquid chromatography apparatus and parts thereof; liquid chromatography columns and parts thereof; chromatography apparatus and parts thereof for use in filtration and purification of exosomes from cell culture media; chromatography columns and parts thereof for use in filtration and purification of exosomes from cell culture media; filters for liquid chromatography apparatus; filtration membranes for liquid chromatography apparatus; laboratory apparatus and instruments for use in filtration and purification of exosomes from cell culture media; laboratory apparatus and instruments, and parts and accessories thereof; measuring and testing machines, instruments, and parts and accessories thereof.ACTIVE—
010Membrane filtration apparatus and parts thereof for medical purposes; filters for medical apparatus and instruments; filtration membranes for medical apparatus and instruments; apparatus and parts thereof for use in filtration and purification of exosomes for medical diagnostic purposes; medical apparatus, instruments, and parts thereof for use in filtration and purification of exosomes from cell culture media; medical apparatus, instruments, and parts thereof for cell culture; medical diagnostic apparatus and parts thereof; medical apparatus and instruments, and parts thereof.ACTIVE—
011Chromatography apparatus and parts thereof for industrial purposes; chromatography columns and parts thereof for industrial purposes; liquid chromatography apparatus and parts thereof for industrial purposes; liquid chromatography columns and parts thereof for industrial purposes; chromatography apparatus and parts thereof for use in filtration and purification of exosomes for industrial purposes; chromatography columns and parts thereof for use in filtration and purification of exosomes for industrial purposes; filters for liquid chromatography apparatus for industrial purposes; filtration membranes for liquid chromatography apparatus for industrial purposes.ACTIVE—
017Semi-processed plastics; semi-processed cellulose acetate; semi-processed plastics for use in the manufacture of filtration membranes; semi-processed cellulose acetate for use in the manufacture of filtration membranes; semi-processed plastics in the form of hollow fibers for use in the manufacture of filtration membranes; semi-processed cellulose acetate in the form of hollow fibers for use in the manufacture of filtration membranes; semi-finished plastic products.ACTIVE—

Related trademarks

CopyMark links this record to cited §2(d) serials, the owner's other marks, Nice classes, similar mark names, and recently changed USPTO applications.

Prosecution history

DateCodeEventWhat it means
Aug 27, 2026RFNTREFUSAL PROCESSED BY IB—
Aug 10, 2026RFCSNON-FINAL ACTION MAILED - REFUSAL SENT TO IB—
Aug 10, 2026RFRRREFUSAL PROCESSED BY MPU—
Jun 10, 2026RFCRNON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW—
Jun 9, 2026CNRTNON-FINAL ACTION WRITTENA non-final Office Action means the USPTO examining attorney has raised at least one issue with your trademark application but has not made a final decision. You usually have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application.
Jun 9, 2026DOCKASSIGNED TO EXAMINER—
Jun 5, 2026MAFRAPPLICATION FILING RECEIPT MAILED—
Jun 5, 2026NWOSNEW APPLICATION OFFICE SUPPLIED DATA ENTERED—
May 21, 2026REPRSN ASSIGNED FOR SECT 66A APPL FROM IB—

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