Who owns the SO4 trademark?

The SO4 trademark is owned by CALCIUM PRODUCTS, LLC.

What class is the SO4 trademark registered in?

The SO4 trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for SO4?

The USPTO serial number for SO4 is 87633447.

What is the registration number for SO4?

SO4 is registered under USPTO registration number 5807525.

Sealvo

Home Search: SO4SO4 #87633447

Back

Updated Oct 19, 2026·19 searches this week

View on USPTO TSDR Find similar marks

SO4

USPTO Trademark Record

REGISTERED

SO4

SN 87633447·Reg 5807525·Filed Oct 04, 2017

Owner CALCIUM PRODUCTS, LLC

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

SO4 (Serial No. 87633447), Registration No. 5807525, is a registered US trademark filed on Oct 04, 2017 by CALCIUM PRODUCTS, LLC. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

Section 8/9 declaration window: July 16, 2029

Mark Intelligence

SO4 (Reg. #5807525) is a registered US trademark that has been protecting its owner, CALCIUM PRODUCTS, LLC, since 2017. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use). Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 04, 2017

SERIAL

87633447

REG#

5807525

REGISTERED

Jul 16, 2019

Filing Information

StatusREGISTERED

Filing DateOct 04, 2017

Serial Number87633447

Registration No.5807525

Registration DateJul 16, 2019

Status DateFeb 17, 2025

Published for OppositionMar 13, 2018

Filing Basis & Declarations

Use Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 005, 006, 010, 026, 046

First use anywhere: Mar 27, 2019

First use in commerce: Mar 27, 2019

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

36 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 15, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Feb 17, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Feb 17, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 20, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Oct 02, 2024

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

TEAS SECTION 8 & 15 RECEIVED

Aug 28, 2024

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Jul 16, 2024

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jan 27, 2021

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REGISTERED-PRINCIPAL REGISTER

Jul 16, 2019

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Jun 08, 2019

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jun 07, 2019

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

May 21, 2019

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

May 21, 2019

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

May 08, 2019

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

May 08, 2019

USE AMENDMENT FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 29, 2018

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 1 FILED

Sep 27, 2018

SOU EXTENSION 1 FILED

SOU TEAS EXTENSION RECEIVED

Sep 27, 2018

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 GRANTED

Sep 27, 2018

SOU EXTENSION 1 GRANTED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Sep 25, 2018

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 25, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

May 08, 2018

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Mar 13, 2018

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 13, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 21, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 01, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 19, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 19, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 19, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jan 16, 2018

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 16, 2018

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 16, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jan 12, 2018

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Oct 12, 2017

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 11, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 07, 2017

NEW APPLICATION ENTERED

Other Marks by CALCIUM PRODUCTS, LLC

Additional USPTO filings from the same owner.

SUP

SUPERCAL

74682154

CALCIUM PRODUCTS, LLC

REGISTERED

98G

87633458

CALCIUM PRODUCTS, LLC

REGISTERED

LOG

LogoMark

87633472

CALCIUM PRODUCTS, LLC

REGISTERED

Other Marks by Clint D. Cadwallader

Additional USPTO filings handled by the same attorney of record.

AUL

AULNECK

88888931

REGISTERED

COR

CORONA CORD

87042712

REGISTERED

CAR

CARL JARL

74728171

REGISTERED

BUL

BULLET WEIGHTS

90189198

REGISTERED

SO4

Run a conflict check

Other Marks by CALCIUM PRODUCTS, LLC

Other Marks by Clint D. Cadwallader

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company