KEYSTONE

● Live · Registered

U.S. federal trademark · Serial No. 71607074 · Reg. No. 0554723

Mark

KEYSTONE

Status

Registered

Serial Number

71607074

Registration No.

0554723

Filing Date

November 29, 1950

Registration Date

February 12, 1952

Class(es)

Class 007

Owners

16 · ERIE, PA, US

03 · ERIE, PA, US

03 · ERIE, PA, US

03 · ERIE, PA, US

STEAM GENERATORS

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