POLYFLOW
Live / Applied — Second extension granted (statement of use) (as of 24 Nov 2025)
What this means for you
Not registered yet, but its 21 Feb 2024 filing date beats anything filed after it. If it registers, the owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 98414862
- Mark type
- Design + words
- Filed
- 21 Feb 2024
- Published for opposition
- 01 Oct 2024
- Attorney of record
- Seth L. Hudson
Goods and services
- Class 009 — Scientific and electric apparatus: Battery separators, redox flow battery separators, polymer separator membranes for flow batteries, polyolefin separator membranes for flow batteries, battery separator coated membranes
Owner
- Polypore International, LLC, Charlotte, NC, US
- Polypore International, LLC, Charlotte, NC, US
Prosecution history
- 30 Mar 2026 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 25 Nov 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 24 Nov 2025 — SOU EXTENSION 2 GRANTED
- 24 Nov 2025 — SOU EXTENSION 2 FILED
- 24 Nov 2025 — SOU TEAS EXTENSION RECEIVED
- 23 May 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 22 May 2025 — SOU EXTENSION 1 GRANTED
- 22 May 2025 — SOU EXTENSION 1 FILED
- 22 May 2025 — SOU TEAS EXTENSION RECEIVED
- 24 Mar 2025 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 24 Mar 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 24 Mar 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 24 Mar 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 24 Mar 2025 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 24 Mar 2025 — TEAS CHANGE OF OWNER ADDRESS RECEIVED