Who owns the DUO-FLOW trademark?

The DUO-FLOW trademark is owned by FLOW LABORATORIES INCORPORATED.

What class is the DUO-FLOW trademark registered in?

The DUO-FLOW trademark is registered in Class 052 (Class 52).

What is the serial number for DUO-FLOW?

The USPTO serial number for DUO-FLOW is 72280223.

What is the registration number for DUO-FLOW?

DUO-FLOW is registered under USPTO registration number 847166.

Sealvo

Home Search: DUO-FLOWDUO-FLOW #72280223

Back

Updated Oct 9, 2026·30 searches this week

View on USPTO TSDR Find similar marks

DUO

USPTO Trademark Record

ABANDONED

DUO-FLOW

SN 72280223·Reg 847166·Filed

Owner FLOW LABORATORIES INCORPORATED

DUO-FLOW (Serial No. 72280223), Registration No. 847166, is a abandoned US trademark by FLOW LABORATORIES INCORPORATED. This trademark covers Class 052 (Class 52).

Mark Intelligence

DUO-FLOW (Reg. #847166) is an abandoned US trademark that was filed in unknown but has since been abandoned. The mark covers Class 052 (Class 52).

FILED

SERIAL

72280223

REG#

847166

Owner

Filing Information

StatusABANDONED

Serial Number72280223

Registration No.847166

Status DateNov 03, 1992

Mark TypeStylized characters

Status DescriptionStatus has expired

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 052Class 52

US codes: 052

First use anywhere: Aug 31, 1967

First use in commerce: Aug 31, 1967

This description is as filed with the USPTO and defines the scope of trademark protection.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

1 events

EXPIRED SEC. 9

Nov 03, 1992

EXPIRED SEC. 9

Other Marks by FLOW LABORATORIES INCORPORATED

Additional USPTO filings from the same owner.

HYF

HY-FLOW

72280222

FLOW LABORATORIES INCORPORATED

ABANDONED

RED

REDI-FLOW

72280224

FLOW LABORATORIES INCORPORATED

ABANDONED

72152548

FLOW LABORATORIES INCORPORATED

ABANDONED

Other Marks in Class 052 — Class 52

Recently filed and registered marks in the same international class.

DUO

DUO-DELLAY

71693302

ARTLOOM CARPET COMPANY, INC.

ABANDONED

RED

REDDI FLOW

72267357

DOW CONSUMER PRODUCTS INC.

ABANDONED

FRE

FREE-FLOW

72082253

Kem Manufacturing Corporation

ABANDONED

NUT

NUTRA-FLOW

72461282

FLOW PHARMACEUTICALS, INC.

ABANDONED

DUO-FLOW

Run a conflict check

Other Marks by FLOW LABORATORIES INCORPORATED

Other Marks in Class 052 — Class 52

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company