PX XTREAM
Live / Allowed — Publication / registration review complete (as of 29 Sept 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 23 Feb 2026 filing date already counts against anyone who files later.
Record
- Serial number
- 99666152
- Mark type
- Word mark
- Filed
- 23 Feb 2026
- Published for opposition
- 20 Oct 2026
- Attorney of record
- Jefferson F. Scher
Goods and services
- Class 011 — Environmental control apparatus: Pressure exchangers for use in reverse osmosis water treatment; pressure exchangers for use in wastewater treatment; pressure exchangers for use in brackish water treatment; water treatment equipment, namely, pressure exchangers featuring external lubrication technology; water treatment equipment, namely, pressure exchangers featuring external flushing technology
Owner
- Energy Recovery, Inc., San Leandro, CA, US
Prior registrations
Prosecution history
- 14 Oct 2026 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 21 Sept 2026 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 18 Sept 2026 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 18 Sept 2026 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 18 Sept 2026 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 23 Jun 2026 — NOTIFICATION OF NON-FINAL ACTION E-MAILED
- 23 Jun 2026 — NON-FINAL ACTION E-MAILED
- 23 Jun 2026 — NON-FINAL ACTION WRITTEN
- 22 Jun 2026 — ASSIGNED TO EXAMINER
- 21 Jun 2026 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
- 23 Feb 2026 — APPLICATION FILING RECEIPT MAILED
- 23 Feb 2026 — NEW APPLICATION ENTERED