PURPALD

USPTO USPTO 1972 EXPIRED

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The US trademark PURPALD was filed as Word mark on 03/08/1972 at the U.S. Patent and Trademark Office.
It was registered as a trademark on 03/20/1973. The current status of the mark is "EXPIRED".

Trademark Details Last update: April 12, 2018

Trademark form Word mark
File reference 72417718
Register number 955548
Application date March 8, 1972
Entry date March 20, 1973

Trademark owner

1001 W. ST. PAUL AVE.
53233 MILWAUKEE
US

Trademark representatives

goods and services

1 4-AMINO-3-HYDRAZINO-5-MERCAPTO-1,2,4-TRIAZOLE, AN ORGANIC CHEMICAL REAGENT USED AS AN ANALYTICAL TOOL FOR THE DETECTION OF ALDEHYDES IN EXTREMELY SMALL CONCENTRATION AND IN THE PRESENCE OF SIMILAR CHEMICAL MOIETIES SUCH AS KETONES

ID: 1372417718