NREP
NEW REPRESENTATIVE AT IB RECEIVED
02/05/2026
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Official data from USPTO
SLUDGE BARRIER
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
SLUDGE BARRIER
ST13
US500000079307249Class
7
Filing
79307249
Registration
6624418
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
30
Latest update
02/06/2026
Trademark type
Word
Nice classes
7
Filing date
12/24/2020
Registration date
01/25/2022
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
01/25/2022
Last transaction
02/06/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Drawing code
4
Owner type
03
Owner location
JP
Examiner
PERKINS, ELLEN J
Law office
M10
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
TSUBAKIMOTO MAYFRAN INC.
Representatives
Douglas R. Wolf Wolf, Greenfield & Sacks, P.C.
Technical classification
Nice Classes
Class 7
Vienna Codes
No Vienna codes available.
Goods and services
Class 7
Magnetic separator machines for chemical processing designed to remove sludge from coolants discharged into coolant tanks for machine tools and other industrial machines; sludge removal equipment in the nature of extracting machines used to remove sludge from tanks by magnetic force for metal working machines; sludge removal equipment in the nature of extracting machines used to remove sludge from tanks by magnetic force for mining machines and apparatus; sludge removal equipment in the nature of extracting machines used to remove sludge from tanks by magnetic force for construction machines and apparatus; sludge removal equipment in the nature of extracting machines used to remove sludge from tanks by magnetic force for loading-unloading machines and apparatus; sludge removal equipment in the nature of extracting machines used to remove sludge from tanks by magnetic force for chemical processing machines and apparatus; sludge removal equipment in the nature of extracting machines used to remove sludge from tanks by magnetic force for food processing machines and apparatus; sludge removal equipment in the nature of extracting machines used to remove sludge from tanks by magnetic force for beverage processing machines and apparatus; sludge collecting machines in the nature of sortingseparatingfiltering and extracting machines and structural parts therefor for chemical processing; sludge collectors in the nature of extracting machines being parts of metalworking machines; sludge collectors in the nature of extracting machines being parts of mining machines and apparatus; sludge collectors in the nature of extracting machines being parts of construction machines and apparatus; sludge collectors in the nature of machines for separating target materials from mixtures being parts of loading-unloading machines and apparatus; sludge collectors in the nature of separating machines being parts of chemical processing machines and apparatus; sludge collectors in the nature of machines for separating target materials from mixtures being parts of food processing machines and apparatus; sludge collectors in the nature of machines for separating target materials from mixtures being parts of beverage processing machines and apparatus; metalworking machines namely machining centers and metalworking machine tools; mining machines; concrete and road construction machines; loading-unloading machines; sortingseparatingfiltering and extracting machines for chemical processing; filtering machines for chemical processing; electric food processing machines; beverage processing machines; machines for manufacturing semiconductors; electric wax-polishing machines for industrial purposes; vacuum cleaners for industrial purposes; waste compacting machines for industrial purposes; waste crushing machines for industrial purposes
Publications
History of USPTO decisions and trademark events.
30 publications found
FINO
FINAL DECISION TRANSACTION PROCESSED BY IB
08/01/2022
FICS
FINAL DISPOSITION NOTICE SENT TO IB
07/08/2022
FIMP
FINAL DISPOSITION PROCESSED
07/08/2022
FICR
FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB
04/25/2022
R.PR
REGISTERED-PRINCIPAL REGISTER
01/25/2022
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
11/09/2021
PUBO
PUBLISHED FOR OPPOSITION
11/09/2021
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
10/20/2021
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
10/01/2021
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/08/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/08/2021
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
09/08/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/08/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/08/2021
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/08/2021
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
09/08/2021
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
09/08/2021
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
09/08/2021
RFNT
REFUSAL PROCESSED BY IB
08/08/2021
RFCS
NON-FINAL ACTION MAILED - REFUSAL SENT TO IB
07/19/2021
RFRR
REFUSAL PROCESSED BY MPU
07/19/2021
RFCR
NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW
07/07/2021
CNRT
NON-FINAL ACTION WRITTEN
07/06/2021
DOCK
ASSIGNED TO EXAMINER
06/22/2021
CORN
CORRECTION FROM THE IB EXAMINED, NO ACTION IS NEEDED
06/15/2021
CRCV
CORRECTION TRANSACTION RECEIVED FROM IB
06/06/2021
MAFR
APPLICATION FILING RECEIPT MAILED
04/02/2021
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
03/29/2021
REPR
SN ASSIGNED FOR SECT 66A APPL FROM IB
03/25/2021
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