ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/09/2025
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Official data from USPTO
MAINSPRING
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
MAINSPRING
ST13
US500000088982111Class
7, 37, 40, 42
Filing
88982111
Registration
6694922
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
38
Latest update
07/10/2025
Trademark type
Word
Nice classes
7, 37, 40, 42
Filing date
06/27/2019
Registration date
04/05/2022
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
04/05/2022
Last transaction
07/10/2025
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
4
Owner type
03
Owner location
MENLO PARK, CA
Examiner
MMEJE, OBIEZE
Law office
N40
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
MAINSPRING ENERGY, INC.
EtaGen, Inc.
Representatives
Alexander Shvarts 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.
38 publications found
R.PR
REGISTERED-PRINCIPAL REGISTER
04/05/2022
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
03/01/2022
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
02/26/2022
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
01/31/2022
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
01/31/2022
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
01/26/2022
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
07/26/2021
GNRT
NON-FINAL ACTION E-MAILED
07/26/2021
CNRT
SU - NON-FINAL ACTION - WRITTEN
07/26/2021
SUPC
STATEMENT OF USE PROCESSING COMPLETE
06/22/2021
DPCC
DIVISIONAL PROCESSING COMPLETE
06/22/2021
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
06/22/2021
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
03/29/2021
IUAF
USE AMENDMENT FILED
03/16/2021
DRRR
DIVISIONAL REQUEST RECEIVED
03/16/2021
EISU
TEAS STATEMENT OF USE RECEIVED
03/16/2021
ERTD
TEAS REQUEST TO DIVIDE RECEIVED
03/16/2021
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
09/19/2020
EX1G
SOU EXTENSION 1 GRANTED
09/17/2020
EXT1
SOU EXTENSION 1 FILED
09/17/2020
EEXT
SOU TEAS EXTENSION RECEIVED
09/17/2020
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
05/06/2020
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
03/17/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
01/21/2020
PUBO
PUBLISHED FOR OPPOSITION
01/21/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
01/01/2020
ALIE
ASSIGNED TO LIE
12/18/2019
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/16/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
12/06/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
12/06/2019
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
12/06/2019
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
09/21/2019
GNRT
NON-FINAL ACTION E-MAILED
09/21/2019
CNRT
NON-FINAL ACTION WRITTEN
09/21/2019
DOCK
ASSIGNED TO EXAMINER
09/18/2019
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
07/08/2019
NWAP
NEW APPLICATION ENTERED
07/01/2019
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