WALLSTEIN
Live / Applied — Final refusal mailed (as of 08 Sept 2026)
What this means for you
Not registered yet, but its 18 Aug 2025 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
- 79436187
- Mark type
- Stylized text
- Filed
- 18 Aug 2025
- Attorney of record
- Klaus P. Stoffel
Goods and services
- Class 011 — Environmental control apparatus: Heat exchangers, other than parts of machines; Heat exchangers, other than parts of machines, namely, heat regenerators; Electric air dryers; Freeze drying equipment, namely, lyophilizers; Blow dryers, namely, industrial blow dryers; Gas purification installations, namely, purification installations for flue gas and for exhaust gas; Sewage purification installations; Air purifiers, namely, purification installations for drawing-off air; installations for processing sewage, namely, waste processing machines using heat and chemical breakdown processes; installations for processing and recycling of oil, namely, used oil recovery units; installations for processing of drinking water and industrial water, namely, oxygen generator for processing water by increasing oxygen content in the water; installations for the disposal of pollutants, namely, regenerative thermal oxidizer used to destroy air pollutants from industrial operations; refrigerating installations; clean room installations
- Class 037 — Building construction and repair services: Maintenance and cleaning of machines; Maintenance and cleaning of installations, namely, heating installations; construction of pipelines
Owner
Prosecution history
- 08 Sept 2026 — NOTIFICATION OF FINAL REFUSAL EMAILED
- 08 Sept 2026 — FINAL REFUSAL E-MAILED
- 08 Sept 2026 — FINAL REFUSAL WRITTEN
- 04 Aug 2026 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 04 Aug 2026 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 04 Aug 2026 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 19 Feb 2026 — REFUSAL PROCESSED BY IB
- 05 Feb 2026 — NON-FINAL ACTION MAILED - REFUSAL SENT TO IB
- 05 Feb 2026 — REFUSAL PROCESSED BY MPU
- 11 Jan 2026 — NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW
- 10 Jan 2026 — NON-FINAL ACTION WRITTEN
- 31 Dec 2025 — ASSIGNED TO EXAMINER
- 07 Nov 2025 — APPLICATION FILING RECEIPT MAILED
- 07 Nov 2025 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
- 06 Nov 2025 — SN ASSIGNED FOR SECT 66A APPL FROM IB