Trademark: 75277255
Word
ISO-BARRIER
Status
Dead
Status Code
602
Status Date
Tuesday, October 13, 1998
Serial Number
75277255
Mark Type
1000
Filing Date
Friday, April 18, 1997
Abandoned Date
Thursday, June 4, 1998
Trademark Owner History
Keystone International Holdings Corp.
Classifications
7 pilot operated pressure relief valve system for use in a process having a contaminated process fluid wherein the valve critical internals are subjected only to clean, non-freezing liquids at operating temperatures
ISOLATION BARRIERS
Trademark Events
Oct 13, 1998
Abandonment - Failure To Respond Or Late Response
Dec 4, 1997
Non-Final Action Mailed
Nov 25, 1997
Assigned To Examiner
HISPEED$IM
ISO-SENSE
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