REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
04/13/2026
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Official data from USPTO
M
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Active USPTO registrationType: CombinedOffice: US
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
28
Latest update
04/14/2026
Classification
Registered
Trademark type
Combined
Nice classes
7, 37, 40, 42
Filing date
12/20/2019
Registration date
04/13/2021
Expiration date
-
Recommended action
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Next step
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Complete case details
Structured fields from the responsible authority and the official record.
Status date
04/13/2021
Last transaction
04/14/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
06/26/2020
First use in commerce
06/26/2020
Drawing code
3
Owner type
03
Owner location
MENLO PARK, CA, US
Examiner
ANDERSON, CASSONDRA CR
Law office
L30
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of zig zag pattern resembling an "M".
Holders and representatives
Holders
MAINSPRING ENERGY, INC.
EtaGen, Inc.
Representatives
Jason S. Ingerman HALEY GUILIANO LLP
Technical classification
Nice Classes
Class 7Class 37Class 40Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 7
Auxiliary power units for supplying electrical power to heat and power generators; Electric generators and related equipmentautomatic 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 generationother 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; Compacthigh capacity electricity generators; Air compressors; Fuel compressors in the nature of gas compressors and compressors as parts of machinesmotorsengines; Electric power generators for ships; Electric power generators for emergency use
Class 37
Installation and repair of generatorsheat pumpscompressors; Repair services for electric generators; Installation of electrical and generating machinery; Installation and repair of engines for electricity generation
Class 40
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
Class 42
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 technologiespracticesservicesbusiness models that enable the use of energy that is cleanreliableaffordablewidely available; Remote monitoring of the functioning and use of electrical equipmentgenerators
Publications
History of USPTO decisions and trademark events.
28 publications found
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/09/2025
R.PR
REGISTERED-PRINCIPAL REGISTER
04/13/2021
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
03/12/2021
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
03/11/2021
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
02/19/2021
SUPC
STATEMENT OF USE PROCESSING COMPLETE
02/18/2021
DPCC
DIVISIONAL PROCESSING COMPLETE
02/18/2021
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
02/01/2021
IUAF
USE AMENDMENT FILED
01/07/2021
DRRR
DIVISIONAL REQUEST RECEIVED
01/07/2021
ERTD
TEAS REQUEST TO DIVIDE RECEIVED
01/07/2021
EISU
TEAS STATEMENT OF USE RECEIVED
01/07/2021
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
07/07/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
05/12/2020
PUBO
PUBLISHED FOR OPPOSITION
05/12/2020
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/06/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
04/22/2020
ALIE
ASSIGNED TO LIE
04/06/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
03/25/2020
XAEC
EXAMINER'S AMENDMENT ENTERED
03/25/2020
GNEN
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
03/25/2020
GNEA
EXAMINERS AMENDMENT E-MAILED
03/25/2020
CNEA
EXAMINERS AMENDMENT -WRITTEN
03/25/2020
DOCK
ASSIGNED TO EXAMINER
03/19/2020
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
12/31/2019
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
12/29/2019
NWAP
NEW APPLICATION ENTERED
12/24/2019
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