USPTO trademark

CASTBALL

Under examinationUSPTOWord markClass 1

"CASTBALL" is a word mark owned by Mineração Curimbaba Ltda, filed at the USPTO on September 28, 2026. It is under examination and covers class 1 (Chemicals).

Get this data via the API
Official USPTO record
CASTBALL trademark as filed
As filed with the USPTO
Status
Under examination
Since September 28, 2026
Filed
September 28, 2026
Registered
Not yet
Expires
Not recorded
Application no.
50133339
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns CASTBALL

The owner and representative on file with the office.

Owner

Mineração Curimbaba Ltda

Minas Gerais, Brazil

Representative

Nancy Sabarra

Fross Zelnick Lehrman & Zissu, P.C.

Goods and services

What the mark covers

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

  • Ceramic granules for foundry molds; Foundry molding preparations in the nature of ceramic granules; Ceramic refractory materials.

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Application filing receipt mailed
  2. New application entered
FAQ

About CASTBALL

Who owns the trademark "CASTBALL"?

The USPTO trademark "CASTBALL" (application 50133339) is owned by Mineração Curimbaba Ltda.

What is the status of "CASTBALL"?

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 CASTBALL 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_01a0ed53-200f-7383-bea5-b16dedbcb2e6
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_01a0ed53-200f-7383-bea5-b16dedbcb2e6",
  "object": "trademark",
  "mark_text": "CASTBALL",
  "status": {
    "primary": "pending",
    "stage": "examining"
  },
  "office_code": "US",
  "application_number": "50133339",
  "filing_date": "2026-09-28",
  "nice_classes": [
    1
  ],
  "owners": [
    {
      "name": "Mineração Curimbaba Ltda",
      "entity_id": null
    }
  ]
}