Trademark Search / KEYSTONE

KEYSTONE

○ Dead · Cancelled

U.S. federal trademark · Serial No. 74256985 · Reg. No. 1816390

Mark

KEYSTONE

Status

Cancelled

Serial Number

74256985

Registration No.

1816390

Filing Date

March 19, 1992

Registration Date

January 11, 1994

Class(es)

Class 010

Owners

DeVilbiss Health Care, Inc.

03 · Somerset, PA, US

DeVilbiss Health Care, Inc.

03 · Somerset, PA, US

DeVilbiss Health Care, Inc.

03 · Somerset, PA, US

Goods & Services

oxygen concentrators for medical use and parts therefor; namely, replacement sieve beds, replacement compressors, replacement valves and replacement micro processor boards

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