OPTISWITCH
Live / Registered — Registered — Section 71 accepted (as of 25 Feb 2026)
What this means for you
Registered since 29 Nov 2005. The owner can stop confusingly similar uses in the classes it covers.
Record
- Serial number
- 79002260
- Registration number
- 3021095
- Mark type
- Stylized text
- Filed
- 04 Mar 2004
- Published for opposition
- 06 Sept 2005
- Registered
- 29 Nov 2005
- Attorney of record
- Daniel M. Gurfinkel
Goods and services
- Class 009 — Scientific and electric apparatus: Level probes and electric level switches for use in the measurement of fluids in containers, namely [ radar level probes, ] capacitive level probes, [ ultrasonic level probes, ] capacitive level switches, and vibration level switches [ ; flow meters for use in the field of fluid flow measurement, namely electromagnetic flow meters, ultrasonic flow meters, vortex flow meters, mass volume flow meters and floated probe flow meters ]
Owner
- KROHNE Messtechnik GmbH, Duisburg, DE
- KROHNE Meßtechnik GmbH & Co. KG, Duisburg, DE
- KROHNE Meßtechnik GmbH & Co. KG, DE
- KROHNE Meßtechnik GmbH & Co. KG, DE
Prosecution history
- 25 Feb 2026 — NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED
- 25 Feb 2026 — REGISTERED-SEC.71 ACCEPTED
- 23 Feb 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 19 Feb 2026 — CHANGE OF NAME/ADDRESS REC'D FROM IB
- 22 Oct 2025 — TEAS SECTION 71 RECEIVED
- 04 Apr 2024 — INTERNATIONAL REGISTRATION RENEWED
- 10 Sept 2015 — NOTICE OF ACCEPTANCE OF SEC. 71 - MAILED
- 10 Sept 2015 — REGISTERED-SEC.71 ACCEPTED
- 08 Sept 2015 — TEAS SECTION 71 RECEIVED
- 08 Sept 2015 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 20 Mar 2014 — INTERNATIONAL REGISTRATION RENEWED
- 30 Jun 2012 — NOTICE OF ACCEPTANCE OF SEC. 71 & 15 - MAILED
- 30 Jun 2012 — REGISTERED - SEC. 71 ACCEPTED & SEC. 15 ACK.
- 30 Jun 2012 — REGISTERED - SEC. 71 & SEC. 15 FILED
- 30 Jun 2012 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL