USPTO trademark

AC4U

RegisteredUSPTOWord markClass 9Class 10Class 25

"AC4U" is a word mark owned by ATMOS airwalk ag, filed at the USPTO on April 23, 2025. It is registered and covers classes 9, 10 and 25.

Get this data via the API

Data current as of December 2, 2025Official USPTO record

As filed with the USPTO

Status: Registered; Since December 2, 2025
Filed: April 23, 2025
Registered: December 2, 2025
Expires: Not recorded
Application no.: 99150785
Registration no.: 8050663
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 3 classes

Ownership

Who owns AC4U

The owner and representative on file with the office.

Owner

ATMOS airwalk ag

Glattbrugg, Switzerland

Representative

David M. Kelly

Kelly IP, LLP

Goods and services

What the mark covers

The products and services AC4U is filed for, grouped by Nice class.

09Class 9 · Computers and Scientific Devices
Protective footwear for the prevention of accident or injury; Shoes for protection against accidents, irradiation and fire
10Class 10 · Medical Apparatus
Orthopedic footwear; Orthopaedic insoles; Orthopaedic inserts for footwear
25Class 25 · Clothing
Shoes; Shoe soles; Work shoes

History

What has happened so far

Steps recorded by the USPTO, newest first.

December 2, 2025Notice of registration confirmation emailed
December 2, 2025Registered-principal register
October 14, 2025Official gazette publication confirmation e-mailed
October 14, 2025Published for opposition
October 8, 2025Notification of notice of publication e-mailed
September 15, 2025Approved for pub - principal register
September 15, 2025Assigned to examiner
August 29, 2025New application office supplied data entered
April 23, 2025Application filing receipt mailed
April 23, 2025New application entered

FAQ

About AC4U

Who owns the trademark "AC4U"?

The USPTO trademark "AC4U" (application 99150785) is owned by ATMOS airwalk ag.

What is the status of "AC4U"?

Its status at the USPTO is: registered.

When was "AC4U" registered?

It was registered on December 2, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull AC4U 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_019d2ab5-4087-716e-a77d-0f5e631899f9
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2ab5-4087-716e-a77d-0f5e631899f9",
  "object": "trademark",
  "mark_text": "AC4U",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "99150785",
  "filing_date": "2025-04-23",
  "nice_classes": [
    9,
    10,
    25
  ],
  "owners": [
    {
      "name": "ATMOS airwalk ag",
      "entity_id": null
    }
  ]
}