Trademark Search  /  PERMAPHASE

PERMAPHASE

○ Dead · Cancelled

U.S. federal trademark · Serial No. 74436154 · Reg. No. 1895770

Mark
PERMAPHASE
Status
Cancelled
Serial Number
74436154
Registration No.
1895770
Filing Date
September 13, 1993
Registration Date
May 30, 1995
Class(es)
Class 001

Owners

E. I. du Pont de Nemours and Company
03 · Wilmington, DE, US
E. I. du Pont de Nemours and Company
03 · Wilmington, DE, US
E. I. du Pont de Nemours and Company
03 · Wilmington, DE, US

Goods & Services

chemicals, namely 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.