Who owns the JHK trademark?

The JHK trademark is owned by ZHEJIANG JIHENGKANG(JHK) DOOR INDUSTRY CO., LTD.

What class is the JHK trademark registered in?

The JHK trademark is registered in Class 019 (Non-metallic building materials).

What is the serial number for JHK?

The USPTO serial number for JHK is 99637869.

What is the registration number for JHK?

JHK is registered under USPTO registration number 8402339.

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Updated Oct 31, 2026·13 searches this week

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Section 8 declaration window

August 18, 2032

2117 days remaining

JHK

REGISTERED

Serial: 99637869
Reg: 8402339
Filed: Feb 06, 2026
Owner: ZHEJIANG JIHENGKANG(JHK) DOOR INDUSTRY CO., LTD

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

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 019Non-metallic building materials

US codes: 001, 012, 033, 050

First use anywhere: Dec 31, 2025

First use in commerce: Dec 31, 2025

Materials, not of metal, for building and construction; rigid pipes, not of metal, for building; asphalt, pitch, tar and bitumen; transportable buildings, not of metal; monuments, not of metal.

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