USPTO trademark

STERFLOW XFR

Pending issuanceUSPTOWord markClass 1

"STERFLOW XFR" is a word mark owned by Sterling Specialty Chemicals Holding UK Limited, filed at the USPTO on August 15, 2025. It is on file and covers class 1 (Chemicals).

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Official USPTO record
STERFLOW XFR trademark as filed
As filed with the USPTO
Status
Pending issuance
Since October 27, 2026
Filed
August 15, 2025
Registered
Not yet
Expires
Not recorded
Application no.
99340236
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word mark
1 class
Ownership

Who owns STERFLOW XFR

The owner and representative on file with the office.

Owner

Sterling Specialty Chemicals Holding UK Limited

Harrow, Middlesex, United Kingdom

Representative

Frederick A. Spaeth

Dilworth IP, LLC

Goods and services

What the mark covers

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

  • Chemicals for use as friction reducers for use in hydraulic fracturing, enhanced oil recovery, and treatment of oil sands tailings, water and industrial effluent; polymers for chemical enhanced oil recovery; flocculants; polymer flocculants; polymers for use in underground fluids for hydraulic fracking

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Notice of acceptance of statement of use e-mailed
  2. Allowed principal register - sou accepted
  3. Statement of use processing complete
  4. Teas change of correspondence received
  5. Applicant/correspondence changes (non-responsive) entered
  6. Teas change of owner address received
  7. Use amendment filed
  8. Teas statement of use received
  9. Noa e-mailed - sou required from applicant
  10. Official gazette publication confirmation e-mailed

8 earlier steps on the official record.

FAQ

About STERFLOW XFR

Who owns the trademark "STERFLOW XFR"?

The USPTO trademark "STERFLOW XFR" (application 99340236) is owned by Sterling Specialty Chemicals Holding UK Limited.

What is the status of "STERFLOW XFR"?

Its status at the USPTO is: pending issuance.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull STERFLOW XFR 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_019d2b11-9990-7236-ba30-c822eda870ec
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2b11-9990-7236-ba30-c822eda870ec",
  "object": "trademark",
  "mark_text": "STERFLOW XFR",
  "status": {
    "primary": "pending",
    "stage": "pending_issuance"
  },
  "office_code": "US",
  "application_number": "99340236",
  "filing_date": "2025-08-15",
  "nice_classes": [
    1
  ],
  "owners": [
    {
      "name": "Sterling Specialty Chemicals Holding UK Limited",
      "entity_id": null
    }
  ]
}