DUPONT

○ Dead · Expired

U.S. federal trademark · Serial No. 72356557 · Reg. No. 0902194

Mark

DUPONT

Status

Expired

Serial Number

72356557

Registration No.

0902194

Filing Date

April 13, 1970

Registration Date

November 10, 1970

Class(es)

Class 001

Owner

03 · WILMINGTON, DE, US

CONTROLLED SURFACE POROSITY PARTICLES FOR USE AS SUPPORT MATERIAL FOR CHROMATOGRAPHIC COLUMNS

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.