USPTO trademark

POLYFLOW

AllowedUSPTOWord and designClass 9

"POLYFLOW" is a word and design mark owned by Polypore International, LLC, filed at the USPTO on February 21, 2024. It has been allowed and covers class 9 (Computers and Scientific Devices).

View Polypore International, LLC portfolioGet this data via the API
Official USPTO record
POLYFLOW trademark as filed
As filed with the USPTO
Status
Allowed
Since May 19, 2026
Filed
February 21, 2024
Registered
Not yet
Expires
Not recorded
Application no.
98414862
Registration no.
Not yet
Office
USPTO
United States Patent and Trademark Office
Mark type
Word and design
1 class
Ownership

Who owns POLYFLOW

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

Owner

Polypore International, LLC

Charlotte, United States

3 trademarks in the portfolioView company

Representative

Seth L. Hudson

Maynard Nexsen PC

Goods and services

What the mark covers

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

  • Battery separators, redox flow battery separators, polymer separator membranes for flow batteries, polyolefin separator membranes for flow batteries, battery separator coated membranes

History

What has happened so far

Steps recorded by the USPTO, newest first.

  1. Assignment of ownership not updated automatically
  2. Notice of approval of extension request e-mailed
  3. Sou extension 3 granted
  4. Sou extension 3 filed
  5. Sou teas extension received
  6. Assignment of ownership not updated automatically
  7. Notice of approval of extension request e-mailed
  8. Sou extension 2 granted
  9. Sou extension 2 filed
  10. Sou teas extension received

10 earlier steps on the official record.

FAQ

About POLYFLOW

Who owns the trademark "POLYFLOW"?

The USPTO trademark "POLYFLOW" (application 98414862) is owned by Polypore International, LLC.

What is the status of "POLYFLOW"?

Its status at the USPTO is: allowed.

API

Get this data via the API

Everything on this page comes from the Signa API. Pull POLYFLOW 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_019d2c9f-5064-722d-bb76-7490a3e02564
curl https://api.signa.so/v1/trademarks/$ID \
  -H "Authorization: Bearer $SIGNA_API_KEY"
Response
{
  "id": "tm_019d2c9f-5064-722d-bb76-7490a3e02564",
  "object": "trademark",
  "mark_text": "POLYFLOW",
  "status": {
    "primary": "pending",
    "stage": "allowed"
  },
  "office_code": "US",
  "application_number": "98414862",
  "filing_date": "2024-02-21",
  "nice_classes": [
    9
  ],
  "owners": [
    {
      "name": "Polypore International, LLC",
      "entity_id": "ent_019eb722-63eb-775d-a3a2-a83206a3365d"
    }
  ]
}