ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
06/03/2026
Back to search
Official data from USPTO
METALOFILTER
Did you know this trademark is already registered in United States?
Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.
Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
31
Latest update
06/04/2026
Trademark type
Combined
Nice classes
11
Filing date
07/22/1992
Registration date
09/14/1993
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
07/21/2023
Last transaction
06/04/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
1972-07-00
First use in commerce
1989-05-00
Drawing code
5
Owner type
03
Owner location
TOKYO, JP
Examiner
HICKS, LAURINDA
Law office
G10
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
MITSUI KINZOKU COMPANY, LIMITED
MITSUI MINING & SMELTING CO., LTD.
MITSUI MINING & SMELTING CO., LTD.
Representatives
Patrick J. Jennings Pillsbury Winthrop Shaw Pittman, LLP
Technical classification
Nice Classes
Class 11
Vienna Codes
No Vienna codes available.
Goods and services
Class 11
filtering system for molten aluminum comprising a filter boxheater and porous filter tubes
Publications
History of USPTO decisions and trademark events.
31 publications found
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
07/21/2023
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
07/21/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/21/2023
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
07/18/2023
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
07/02/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
07/02/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
12/08/2022
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
09/14/2022
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/18/2013
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
03/18/2013
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/18/2013
E89R
TEAS SECTION 8 & 9 RECEIVED
03/11/2013
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/18/2010
CFIT
CASE FILE IN TICRS
09/24/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
12/03/2003
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/03/2003
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
09/15/2003
PAPER RECEIVED
09/15/2003
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
08/27/1999
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
03/25/1999
R.PR
REGISTERED-PRINCIPAL REGISTER
09/14/1993
PUBO
PUBLISHED FOR OPPOSITION
06/22/1993
NPUB
NOTICE OF PUBLICATION
05/21/1993
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
04/05/1993
CNEA
EXAMINER'S AMENDMENT MAILED
03/12/1993
CNEA
EXAMINER'S AMENDMENT MAILED
03/08/1993
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
02/19/1993
CNRT
NON-FINAL ACTION MAILED
11/30/1992
DOCK
ASSIGNED TO EXAMINER
09/25/1992
UNPR
UNRESPONSIVE/DUPLICATE PAPER RECEIVED
09/22/1992
Continuous trademark protection
Get notified about every new filing that threatens METALOFILTER or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.