MAINSPRING
LIVE

Serial Number

88982111

Owner

EtaGen, Inc.

Attorney

Alexander Shvarts

First Use Date

Jun 26, 2020

Filing Date

Jun 27, 2019

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MAINSPRING Trademark

Serial Number: 88982111 • Registration: 6694922

MAINSPRING is a trademark filed by EtaGen, Inc. on June 27, 2019. The trademark is classified under Class 7 (Machinery), Class 37 (Building & Construction), Class 40 (Treatment & Processing), Class 42 (Computer & Scientific). The application is currently registered and active.

Owner Contact Info

EtaGen, Inc. (5 trademarks)

3601 Haven Avenue
Menlo Park, CA 94025

Entity Type: 03

MAINSPRING ENERGY, INC. (7 trademarks)

3601 HAVEN AVENUE
MENLO PARK, CA 94025

Entity Type: 03

Trademark Details

Filing Date

June 27, 2019

Registration Date

April 5, 2022

First Use Anywhere

June 26, 2020

First Use in Commerce

June 26, 2020

Published for Opposition

January 21, 2020

Goods & Services

Providing technical consultation in the field of energy generation; generation of energy; generation of power; generating of electricity; electricity generation; leasing and rental of commercial power generation equipment; assembly of power generation engines for others; generation of power through operation of power generation equipment and facilities

Auxiliary power units for supplying electrical power to heat and power generators; Electric generators and related equipment, namely, automatic standby electric generator sets; Gas-operated power generators; Natural gas fired generators; Generators for land vehicles; Electric power generators for marine and locomotive vehicles; Internal combustion engines for power generation, other than for marine or land vehicles; Electricity generators that may also be used as electric motors for vehicles; Electricity generators; Electric generators; Generators of electricity; Engines and motors for the generation of electricity; Electrical and electronic apparatus and equipment all for use in generating energy obtained from alternative energy sources; Auxiliary power units for supplying electrical power; Compact, high capacity electricity generators; Air compressors; Fuel compressors in the nature of gas compressors and compressors as parts of machines, motors, and engines; Electric power generators for ships; Electric power generators for emergency use

Installation and repair of generators, heat pumps, and compressors; repair services for electric generators; Installation of electrical and generating machinery; installation and repair of engines for electricity generation

Providing an Internet website portal that enables customers to monitor the performance and environmental benefits of electric generator installations for quality control purposes; providing technological consultation in the field of energy generation; providing information in the field of clean energy resource technology for the purpose of promoting the use of technologies, practices, services, or business models that enable the use of energy that is clean, reliable, affordable, and widely available; remote monitoring of the functioning and use of electrical equipment, namely, generators

Filing History

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
Jul 9, 2025 ASCK
REGISTERED-PRINCIPAL REGISTER
Apr 5, 2022 R.PR
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
Mar 1, 2022 SUNA
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
Feb 26, 2022 CNPR
TEAS/EMAIL CORRESPONDENCE ENTERED
Jan 31, 2022 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Jan 31, 2022 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Jan 26, 2022 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Jul 26, 2021 GNRN
NON-FINAL ACTION E-MAILED
Jul 26, 2021 GNRT
SU - NON-FINAL ACTION - WRITTEN
Jul 26, 2021 CNRT
STATEMENT OF USE PROCESSING COMPLETE
Jun 22, 2021 SUPC
DIVISIONAL PROCESSING COMPLETE
Jun 22, 2021 DPCC
CASE ASSIGNED TO INTENT TO USE PARALEGAL
Jun 22, 2021 AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
Mar 29, 2021 AITU
USE AMENDMENT FILED
Mar 16, 2021 IUAF
DIVISIONAL REQUEST RECEIVED
Mar 16, 2021 DRRR
TEAS STATEMENT OF USE RECEIVED
Mar 16, 2021 EISU
TEAS REQUEST TO DIVIDE RECEIVED
Mar 16, 2021 ERTD
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Sep 19, 2020 EXRA
SOU EXTENSION 1 GRANTED
Sep 17, 2020 EX1G
SOU EXTENSION 1 FILED
Sep 17, 2020 EXT1
SOU TEAS EXTENSION RECEIVED
Sep 17, 2020 EEXT
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
May 6, 2020 ASGN
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
Mar 17, 2020 NOAM
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jan 21, 2020 NPUB
PUBLISHED FOR OPPOSITION
Jan 21, 2020 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Jan 1, 2020 NONP
ASSIGNED TO LIE
Dec 18, 2019 ALIE
APPROVED FOR PUB - PRINCIPAL REGISTER
Dec 16, 2019 CNSA
TEAS/EMAIL CORRESPONDENCE ENTERED
Dec 6, 2019 TEME
CORRESPONDENCE RECEIVED IN LAW OFFICE
Dec 6, 2019 CRFA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
Dec 6, 2019 TROA
NOTIFICATION OF NON-FINAL ACTION E-MAILED
Sep 21, 2019 GNRN
NON-FINAL ACTION E-MAILED
Sep 21, 2019 GNRT
NON-FINAL ACTION WRITTEN
Sep 21, 2019 CNRT
ASSIGNED TO EXAMINER
Sep 18, 2019 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Jul 8, 2019 NWOS
NEW APPLICATION ENTERED
Jul 1, 2019 NWAP