USPTO trademark

MAHR

RegisteredUSPTOWord markClass 11

"MAHR" is a word mark owned by Headworks Inc., filed at the USPTO on May 19, 2004. It is registered and covers class 11 (Environmental Control Apparatus).

View Headworks Inc. portfolioGet this data via the API
Official USPTO record
MAHR trademark as filed
As filed with the USPTO
Status
Registered
Since June 4, 2026
Filed
May 19, 2004
Registered
May 23, 2006
Expires
Not recorded
Application no.
78421761
Registration no.
3094959
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns MAHR

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

Owner

Headworks Inc.

Houston, United States

19 trademarks in the portfolioView company

Representative

Ricardo Yepez

Schwegman, Lundberg, & Woessner

Goods and services

What the mark covers

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

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of acceptance of sec. 8 & 9 - e-mailed
  2. Registered and renewed (second renewal - 10 yrs)
  3. Registered - sec. 8 (10-yr) accepted/sec. 9 granted
  4. Teas response to office action-post reg received
  5. Post registration action mailed - sec. 8 & 9
  6. Case assigned to post registration paralegal
  7. Teas section 8 & 9 received
  8. Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
  9. Applicant/correspondence changes (non-responsive) entered
  10. Teas change of correspondence received

10 earlier steps on the official record.

FAQ

About MAHR

Who owns the trademark "MAHR"?

The USPTO trademark "MAHR" (application 78421761) is owned by Headworks Inc.

What is the status of "MAHR"?

Its status at the USPTO is: registered.

When was "MAHR" registered?

It was registered on May 23, 2006.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull MAHR 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 keyView docs
GET /v1/trademarks/{id}
ID=tm_019d2c34-4cb8-7658-8eb3-5d740e419a67
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2c34-4cb8-7658-8eb3-5d740e419a67",
  "object": "trademark",
  "mark_text": "MAHR",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "78421761",
  "filing_date": "2004-05-19",
  "nice_classes": [
    11
  ],
  "owners": [
    {
      "name": "Headworks Inc.",
      "entity_id": "ent_019eb700-6ce1-74f5-b421-336e50d98245"
    }
  ]
}