MAINSPRING
Dead / Abandoned — Abandoned — no statement of use filed (as of 24 Oct 2022)
What this means for you
This application is over — abandoned 24 Oct 2022. The name may be available, but check before relying on it — rights can also come from actual use, not only from the register.
Record
- Serial number
- 88491501
- Mark type
- Stylized text
- Filed
- 27 Jun 2019
- Published for opposition
- 21 Jan 2020
- Abandoned
- 24 Oct 2022
- Attorney of record
- Alexander Shvarts
Goods and services
- Class 009 — Scientific and electric apparatus: Downloadable and recorded computer software used to operate compressors, generators, and heat pumps; Electric apparatus and instruments, namely, battery chargers, voltage regulators, and voltage converters
- Class 036 — Insurance and financial services: Financing of commercial power generation equipment
Owner
- MAINSPRING ENERGY, INC., MENLO PARK, CA, US
- EtaGen, Inc., Menlo Park, CA, US
- EtaGen, Inc., Menlo Park, CA, US
Prosecution history
- 09 Jul 2025 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 24 Oct 2022 — ABANDONMENT NOTICE E-MAILED - NO USE STATEMENT FILED
- 24 Oct 2022 — ABANDONMENT - NO USE STATEMENT FILED
- 05 Mar 2022 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 04 Mar 2022 — SOU EXTENSION 4 GRANTED
- 24 Feb 2022 — SOU EXTENSION 4 FILED
- 24 Feb 2022 — SOU TEAS EXTENSION RECEIVED
- 17 Sept 2021 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 16 Sept 2021 — SOU EXTENSION 3 GRANTED
- 10 Sept 2021 — SOU EXTENSION 3 FILED
- 10 Sept 2021 — SOU TEAS EXTENSION RECEIVED
- 23 Jun 2021 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 23 Jun 2021 — CORRECTED NOA E-MAILED
- 22 Jun 2021 — SOU EXTENSION 2 GRANTED
- 16 Mar 2021 — SOU EXTENSION 2 FILED