USPTO trademark

AMERISORB

Under examinationUSPTOWord markClass 1

"AMERISORB" is a word mark owned by Calgon Carbon Corporation, filed at the USPTO on March 18, 2024. It is under examination and covers class 1 (Chemicals).

View Calgon Carbon Corporation portfolio Get this data via the API

Data current as of August 28, 2026Official USPTO record

As filed with the USPTO

Status: Under examination; Since May 22, 2026
Filed: March 18, 2024
Registered: Not yet
Expires: Not recorded
Application no.: 98454037
Registration no.: Not yet
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns AMERISORB

The owner on file, matched to the company behind it. Every owner-name spelling for that company is grouped on its page.

Owner

Calgon Carbon Corporation

Moon Township, United States

247 trademarks in the portfolioView company

Representative

Jason P. Camillo

Buchanan Ingersoll & Rooney PC

Goods and services

What the mark covers

The products and services AMERISORB is filed for, grouped by Nice class.

01Class 1 · Chemicals
activated carbon, for water purification, for general residential use

History

What has happened so far

Steps recorded by the USPTO, newest first.

August 27, 2026Teas withdrawal of attorney received-firm retains
August 27, 2026Teas change of correspondence received
August 27, 2026Attorney/dom.rep.revoked and/or appointed
August 27, 2026Teas revoke/app/change addr of atty/dom rep received
May 22, 2026Suspension checked - to attorney for action
September 9, 2025Report completed suspension check case still suspended
August 22, 2025Suspension checked - to attorney for action
February 21, 2025Notification of letter of suspension e-mailed
February 21, 2025Letter of suspension e-mailed
February 21, 2025Suspension letter written

10 earlier steps on the official record.

FAQ

About AMERISORB

Who owns the trademark "AMERISORB"?

The USPTO trademark "AMERISORB" (application 98454037) is owned by Calgon Carbon Corporation.

What is the status of "AMERISORB"?

Its status at the USPTO is: under examination.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull AMERISORB and marks like it into your own product with one request.

GET/v1/trademarks/{id}
The full record: owners, classes, dates and images
GET/v1/trademarks/{id}/events
Every step in the office history
GET/v1/proceedings?trademark_id={id}
Oppositions and cancellations against the mark

Get API key View docs

GET /v1/trademarks/{id}

ID=tm_019d2cb3-f74c-777c-8791-356112e5ad6d
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2cb3-f74c-777c-8791-356112e5ad6d",
  "object": "trademark",
  "mark_text": "AMERISORB",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "98454037",
  "filing_date": "2024-03-18",
  "nice_classes": [
    1
  ],
  "owners": [
    {
      "name": "Calgon Carbon Corporation",
      "entity_id": "ent_019eb725-dba9-73fa-817f-cd25834ec9f6"
    }
  ]
}