PURISULFON
Live / Allowed — Notice of allowance issued (as of 14 Apr 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 21 Jun 2024 filing date already counts against anyone who files later.
Record
- Serial number
- 98612791
- Mark type
- Stylized text
- Filed
- 21 Jun 2024
- Published for opposition
- 17 Feb 2026
- Attorney of record
- William H. Eilberg
Goods and services
- Class 011 — Environmental control apparatus: Units in the nature of membrane modules containing polymeric fiber membranes, for separating gases, namely, air, hydrated gases, or gas mixtures, into components, by conveying gases through such membranes
Owner
- Generon IGS, Inc., Houston, TX, US
- Generon IGS, Inc., Houston, TX, US
Prosecution history
- 14 Sept 2026 — SOU TEAS EXTENSION RECEIVED
- 14 Apr 2026 — NOA E-MAILED - SOU REQUIRED FROM APPLICANT
- 17 Feb 2026 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 17 Feb 2026 — PUBLISHED FOR OPPOSITION
- 11 Feb 2026 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 21 Jan 2026 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 21 Jan 2026 — EXAMINER'S AMENDMENT ENTERED
- 21 Jan 2026 — NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
- 21 Jan 2026 — EXAMINERS AMENDMENT E-MAILED
- 21 Jan 2026 — EXAMINERS AMENDMENT -WRITTEN
- 17 Oct 2025 — APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED
- 17 Oct 2025 — APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED
- 04 Aug 2025 — NOTIFICATION OF FINAL REFUSAL EMAILED
- 04 Aug 2025 — FINAL REFUSAL E-MAILED
- 04 Aug 2025 — FINAL REFUSAL WRITTEN