CAEX
CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
07/31/2026
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Official data from USPTO
DIPHONIX
This trademark appears in the official USPTO history.
Even when the status is closed, the history helps calibrate risk, avoid repeating mistakes, and define a safe naming strategy.
CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9Type: WordOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
Case type
Application and registration
Recorded events
29
Latest update
07/31/2026
Trademark type
Word
Nice classes
1
Filing date
08/20/1992
Registration date
01/16/1996
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
07/31/2026
Last transaction
07/31/2026
Responsible office
United States Patent and Trademark Office
Status code
710
Official register
Principal Register
First use anywhere
12/18/1991
First use in commerce
12/18/1991
Drawing code
1
Owner type
16
Owner location
LISLE, IL, US
Law office
L10
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
EICHROM TECHNOLOGIES, LLC
Eichrom Industries, Inc.
Representatives
GERALD T. SHEKLETON Husch Blackwell LLP
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
chromatographic chemicals for use in metal separations in laboratories and in the waste water treatment industry
Publications
History of USPTO decisions and trademark events.
29 publications found
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
01/16/2025
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
07/12/2016
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
07/12/2016
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/12/2016
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/29/2016
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
06/28/2016
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/27/2016
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
01/23/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
01/23/2016
E89R
TEAS SECTION 8 & 9 RECEIVED
11/10/2015
CFIT
CASE FILE IN TICRS
06/18/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
05/30/2006
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/30/2006
PLGL
ASSIGNED TO PARALEGAL
03/30/2006
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
01/13/2006
E89R
TEAS SECTION 8 & 9 RECEIVED
01/13/2006
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
10/16/2001
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
09/24/2001
R.PR
REGISTERED-PRINCIPAL REGISTER
01/16/1996
OP.T
OPPOSITION TERMINATED NO. 999999
09/14/1995
OP.D
OPPOSITION DISMISSED NO. 999999
09/14/1995
OP.I
OPPOSITION INSTITUTED NO. 999999
01/13/1994
PUBO
PUBLISHED FOR OPPOSITION
08/24/1993
NPUB
NOTICE OF PUBLICATION
07/23/1993
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/21/1993
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/11/1993
CNRT
NON-FINAL ACTION MAILED
11/12/1992
DOCK
ASSIGNED TO EXAMINER
10/23/1992
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