EQUIFLOW BACKSTOP
Live / Allowed — Fifth extension granted (statement of use) (as of 24 Feb 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 13 Jun 2022 filing date already counts against anyone who files later.
Record
- Serial number
- 97454980
- Mark type
- Word mark
- Filed
- 13 Jun 2022
- Published for opposition
- 15 Aug 2023
- Attorney of record
- Benjamin R. Ford
Goods and services
- Class 009 — Scientific and electric apparatus: Fluid flow controller, namely, flow control valves for regulating the flow of gases and liquids, said completion tool used in connection with drill strings, and sand control screens and tubes, for controlling the inflow of oil, water and gas from an oil and/or gas reservoir into the oil and/or gas well
Owner
- Halliburton Energy Services, Inc., Houston, TX, US
- Halliburton Energy Services, Inc., Houston, TX, US
Prior registrations
Prosecution history
- 25 Feb 2026 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 24 Feb 2026 — SOU EXTENSION 5 GRANTED
- 09 Feb 2026 — SOU EXTENSION 5 FILED
- 09 Feb 2026 — SOU TEAS EXTENSION RECEIVED
- 25 Sept 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 24 Sept 2025 — SOU EXTENSION 4 GRANTED
- 24 Sept 2025 — SOU EXTENSION 4 FILED
- 24 Sept 2025 — SOU TEAS EXTENSION RECEIVED
- 07 Mar 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 07 Mar 2025 — SOU EXTENSION 3 GRANTED
- 06 Mar 2025 — SOU EXTENSION 3 FILED
- 06 Mar 2025 — SOU TEAS EXTENSION RECEIVED
- 16 Jan 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 16 Jan 2025 — SOU EXTENSION 2 GRANTED
- 10 Oct 2024 — SOU EXTENSION 2 FILED