Duo Seal Trademark Details

Duo Seal was registered on Tuesday, February 13, 1951 and is currently owned by Welch Vacuum Technology, Inc. under the registration number 537570 . This mark is dead with a status of Expired. The last case file activity for this mark occured 22 years ago on Saturday, February 23, 2002, according to the United State Patent & Trademark Office
Word Mark Duo Seal
Status Dead Registered 900 — Expired

Current Owner

Welch Vacuum Technology, Inc. of Skokie, IL

View all trademarks for Welch Vacuum Technology, Inc.
Other Trademarks for Welch Vacuum Technology, Inc.

Previous Owners

W. M. Welch Manufacturing Company of Chicago, IL

View all trademarks for W. M. Welch Manufacturing Company
Other Trademarks for W. M. Welch Manufacturing Company
Serial Number 71550105
Registration Number 537570
Status Date Saturday, February 23, 2002
Filing Date Saturday, February 23, 2002
Registration Date Tuesday, February 13, 1951
Attorney John L. Alex

Correspondent

JOHN L. ALEX
LOCKWOOD, ALEX, FITZGIBBON & CUMMINGS
THREE FIRST NATIONAL PLAZA
SUITE 1700
CHICAGO, IL 60602

Case File Statements

Disclaimer The Word "Seal" Is Disclaimed Apart from the Mark as Shown.
Goods & Services Vacuum Pumps, Particularly Pumps for the Creation of High Vacuum Conditions in Laboratory Experimental and Testing Operations, Also for the Evacuation of Various Electronic Devices and Larger Systems, for Diffusing and Vapor Removing Operations in Chemical Processing and for Industrial Evacuation in General

Classifications

International Class Codes
007 — Class 7 includes mainly machines, machine tools, motors and engines.
U.S. Class Codes 023
Status 9 — Expired
Status Date Saturday, February 23, 2002
First Use Anywhere Monday, January 1, 1934
First Use In Commerce Monday, January 1, 1934
Primary Code 023

You must be signed in to print.

Once signed in, look for the PDF button.