Who owns the ISIDO trademark?

The ISIDO trademark is owned by Cuihua Duan.

What class is the ISIDO trademark registered in?

The ISIDO trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for ISIDO?

The USPTO serial number for ISIDO is 99741022.

What is the registration number for ISIDO?

ISIDO is registered under USPTO registration number 8522906.

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Updated Nov 3, 2026·13 searches this week

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Section 8 declaration window

October 27, 2032

2185 days remaining

ISI

ISIDO

REGISTERED

Serial: 99741022
Reg: 8522906
Filed: Apr 02, 2026
Owner: Cuihua Duan

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

First use anywhere: Jan 21, 2026

First use in commerce: Jan 21, 2026

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

Status History

11 events

REGISTERED-PRINCIPAL REGISTER

Oct 27, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Oct 27, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Sep 08, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 08, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 02, 2026

Code NONP

ASSIGNED TO EXAMINER

Aug 12, 2026

Code DOCK

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 12, 2026

Code CNSA

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 10, 2026

Code NWOS

NOTICE OF DESIGN SEARCH CODE E-MAILED

Aug 10, 2026

Code MDSC

NEW APPLICATION ENTERED

Apr 02, 2026

Code NWAP

APPLICATION FILING RECEIPT MAILED

Apr 02, 2026

Code MAFR

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