USPTO trademark

EXCALIBUR

RegisteredUSPTOWord markClass 1

"EXCALIBUR" is a word mark owned by CoorsTek, Inc., filed at the USPTO on November 2, 2020. It is registered and covers class 1 (Chemicals).

View CoorsTek, Inc. portfolio Get this data via the API

Data current as of January 7, 2026Official USPTO record

As filed with the USPTO

Status: Registered; Since April 8, 2025
Filed: November 2, 2020
Registered: April 8, 2025
Expires: Not recorded
Application no.: 90292927
Registration no.: 7754816
Office: USPTO; United States Patent and Trademark Office
Mark type: Word mark; 1 class

Ownership

Who owns EXCALIBUR

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

Owner

CoorsTek, Inc.

Golden, United States

45 trademarks in the portfolioView company

Representative

Gayle Lynn Strong

Greenberg Traurig, LLP

Goods and services

What the mark covers

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

01Class 1 · Chemicals
Engineered ceramic materials for use in semiconductor processing equipment; Engineered ceramic materials for use in parts and components of semiconductor processing equipment

History

What has happened so far

Steps recorded by the USPTO, newest first.

January 6, 2026Assignment of ownership not updated automatically
April 8, 2025Notice of registration confirmation emailed
April 8, 2025Registered-principal register
March 14, 2025Notice of acceptance of statement of use e-mailed
March 14, 2025Allowed principal register - sou accepted
March 12, 2025Statement of use processing complete
March 10, 2025Case assigned to intent to use paralegal
January 5, 2025Use amendment filed
January 5, 2025Teas statement of use received
March 28, 2024Notice of approval of extension request e-mailed

10 earlier steps on the official record.

FAQ

About EXCALIBUR

Who owns the trademark "EXCALIBUR"?

The USPTO trademark "EXCALIBUR" (application 90292927) is owned by CoorsTek, Inc.

What is the status of "EXCALIBUR"?

Its status at the USPTO is: registered.

When was "EXCALIBUR" registered?

It was registered on April 8, 2025.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull EXCALIBUR 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_019d2c84-5ee5-7358-a791-365f3e7345ae
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"

Response

{
  "id": "tm_019d2c84-5ee5-7358-a791-365f3e7345ae",
  "object": "trademark",
  "mark_text": "EXCALIBUR",
  "status": {
    "primary": "active",
    "stage": "registered"
  },
  "office_code": "US",
  "application_number": "90292927",
  "filing_date": "2020-11-02",
  "nice_classes": [
    1
  ],
  "owners": [
    {
      "name": "CoorsTek, Inc.",
      "entity_id": "ent_019eb6f7-a5cd-7004-bf2c-8d1236688d08"
    }
  ]
}