Trademark Search / PERMAPHASE

PERMAPHASE

○ Dead · Expired

U.S. federal trademark · Serial No. 72393799 · Reg. No. 0932579

Mark

PERMAPHASE

Status

Expired

Serial Number

72393799

Registration No.

0932579

Filing Date

June 3, 1971

Registration Date

April 18, 1972

Class(es)

Class 001

Owner

03 · WILMINGTON, DE, US

SUPERFICIALLY POROUS SPHERICAL PARTICLES FOR USE AS CHROMATOGRAPHIC COLUMN PACKING MATERIAL

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