TrademarkDir
HELEX
DEAD

Serial Number

73407040

Owner

A. C. Knox, Inc.

Attorney

Sarah Otte Graber

First Use Date

Oct 27, 1982

Filing Date

Dec 23, 1982

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HELEX Trademark

Serial Number: 73407040 • Registration: 1333098

HELEX is a trademark filed by A. C. Knox, Inc. on December 23, 1982. The trademark is classified under Class 11 (Environmental Control). The application is currently no longer active.

Owner Contact Info

A. C. Knox, Inc.

525 Purcell Avenue
Cincinnati, OH 45205

Entity Type: 03

Trademark Details

Filing Date

December 23, 1982

Registration Date

April 30, 1985

First Use Anywhere

October 27, 1982

First Use in Commerce

October 27, 1982

Published for Opposition

August 28, 1984

Cancellation Date

November 14, 2025

Goods & Services

Heat Exchangers for Use with Commercial and Industrial Boilers and in Connection with Commercial and Industrial Processing Equipment

Filing History

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
Nov 14, 2025 CAEX
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
Apr 30, 2024 REM2
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
Nov 29, 2023 EWAF
TEAS CHANGE OF CORRESPONDENCE RECEIVED
Nov 29, 2023 TCCA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
Nov 29, 2023 ARAA
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
Nov 29, 2023 REAP
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
Sep 6, 2014 NA89
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
Sep 6, 2014 RNL2
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Sep 6, 2014 89AG
TEAS SECTION 8 & 9 RECEIVED
Sep 4, 2014 E89R
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
Feb 22, 2005 RNL1
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
Feb 22, 2005 89AG
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
Jan 10, 2005 89AF
PAPER RECEIVED
Jan 10, 2005 MAIL
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jul 9, 1990 C15A
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
Apr 30, 1990 815F
REGISTERED-PRINCIPAL REGISTER
Apr 30, 1985 R.PR
PUBLISHED FOR OPPOSITION
Aug 28, 1984 PUBO
NOTICE OF PUBLICATION
Jun 26, 1984 NPUB
APPROVED FOR PUB - PRINCIPAL REGISTER
May 8, 1984 CNSA
EXAMINERS AMENDMENT MAILED
May 3, 1984 CNEA
CORRESPONDENCE RECEIVED IN LAW OFFICE
Mar 21, 1984 CRFA
NON-FINAL ACTION MAILED
Sep 19, 1983 CNRT
ASSIGNED TO EXAMINER
Aug 30, 1983 DOCK

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