USPTO trademark

SERIES 50

RegisteredUSPTOWord markClass 12

"SERIES 50" is a word mark owned by Detroit Diesel Corporation, filed at the USPTO on June 14, 1994. It is registered and covers class 12 (Vehicles).

View Detroit Diesel Corporation portfolio Get this data via the API

Data current as of October 1, 2025Official USPTO record

As filed with the USPTO

Status: Registered; Since October 1, 2025
Filed: June 14, 1994
Registered: August 1, 1995
Expires: Not recorded
Application no.: 74537753
Registration no.: 1908347
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns SERIES 50

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

Owner

Detroit Diesel Corporation

Detroit, United States

186 trademarks in the portfolioView company

Representative

Linda Kennedy

Panagos Kennedy

Goods and services

What the mark covers

The products and services SERIES 50 is filed for, grouped by Nice class.

12Class 12 · Vehicles
diesel engines for use in trucks and buses

History

What has happened so far

Steps recorded by the USPTO, newest first.

October 1, 2025Notice of acceptance of sec. 8 & 9 - e-mailed
October 1, 2025Registered and renewed (third renewal - 10 yrs)
October 1, 2025Registered - sec. 8 (10-yr) accepted/sec. 9 granted
October 1, 2025Case assigned to post registration paralegal
June 6, 2025Teas section 8 & 9 received
August 1, 2024Courtesy reminder - sec. 8 (10-yr)/sec. 9 e-mailed
February 26, 2019Attorney/dom.rep.revoked and/or appointed
February 26, 2019Teas revoke/app/change addr of atty/dom rep received
May 8, 2015Notice of acceptance of sec. 8 & 9 - e-mailed
May 8, 2015Registered and renewed (second renewal - 10 yrs)

10 earlier steps on the official record.

FAQ

About SERIES 50

Who owns the trademark "SERIES 50"?

The USPTO trademark "SERIES 50" (application 74537753) is owned by Detroit Diesel Corporation.

What is the status of "SERIES 50"?

Its status at the USPTO is: registered.

When was "SERIES 50" registered?

It was registered on August 1, 1995.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull SERIES 50 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_019d1acb-ac35-762b-9529-fb51cdff9482
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d1acb-ac35-762b-9529-fb51cdff9482",
  "object": "trademark",
  "mark_text": "SERIES 50",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "74537753",
  "filing_date": "1994-06-14",
  "nice_classes": [
    12
  ],
  "owners": [
    {
      "name": "DETROIT DIESEL CORPORATION",
      "entity_id": "ent_019eb719-6d59-76e4-8046-b3c846166b1c"
    }
  ]
}