Who owns the LUNGFLOW trademark?

The LUNGFLOW trademark is owned by Free Flow Medical Inc.

What class is the LUNGFLOW trademark registered in?

The LUNGFLOW trademark is registered in Class 010 (Surgical, medical, dental & veterinary apparatus).

What is the serial number for LUNGFLOW?

The USPTO serial number for LUNGFLOW is 99356185.

What is the registration number for LUNGFLOW?

LUNGFLOW is registered under USPTO registration number 8310807.

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Updated Nov 5, 2026·18 searches this week

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Section 8 declaration window

June 23, 2032

2057 days remaining

LUN

LUNGFLOW

REGISTERED

Serial: 99356185
Reg: 8310807
Filed: Aug 25, 2025
Owner: Free Flow Medical Inc

Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contact lenses and sunglasses; orthopaedic articles; suture materials; therapeutic and assistive devices adapted for persons with disabilities; massage apparatus; apparatus, devices and articles for nursing infants; sexual activity apparatus, devices and articles.

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 010Surgical, medical, dental & veterinary apparatus

US codes: 026, 039, 044

First use anywhere: Sep 09, 2024

First use in commerce: Sep 09, 2024

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

Status History

20 events

REGISTERED-PRINCIPAL REGISTER

Jun 23, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 23, 2026

Code NRCC

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 23, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

May 05, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 05, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 29, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 02, 2026

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 26, 2026

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 26, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 26, 2026

Code TEME

NON-FINAL ACTION WRITTEN

Jan 16, 2026

Code CNRT

NON-FINAL ACTION E-MAILED

Jan 16, 2026

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 16, 2026

Code GNRN

NON-FINAL ACTION WRITTEN

Jan 16, 2026

Code CNRT

NON-FINAL ACTION E-MAILED

Jan 16, 2026

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 16, 2026

Code GNRN

ASSIGNED TO EXAMINER

Jan 14, 2026

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 13, 2026

Code NWOS

NEW APPLICATION ENTERED

Aug 25, 2025

Code NWAP

APPLICATION FILING RECEIPT MAILED

Aug 25, 2025

Code MAFR

LUNGFLOW

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