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PERMACLEAN
Filed on: 12/9/2022
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Agitators for circulating liquid media, namely, agitation device for use with coolant filtration systems to eliminate sludge build-up by adding agitation to the coolant collection and/or holding tank to keep coolant solutions in motion and to suspend chip particulates and prev...
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REGISTERED
2/13/2024
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PERMACLEAN
Filed on: 2/8/2006
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Non-electric baking and cooking pans with non-stick coatings
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CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE
9/26/2014
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PERMACLEAN
Filed on: 3/30/2004
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Airflow filter systems comprising one or more cold cathode ultra-violet lamps in a chamber that can include baffling or one or more filters, for use in connection with central heating and air conditioning systems; component parts for said airflow filter systems
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CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE
10/5/2012
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PERMACLEAN
Filed on: 4/14/1997
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chemical cleaning substances and preparations for use in membrane and process cleaning for potable, industrial and waste water systems
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CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE
10/29/2021
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PERMACLEAN
Filed on: 10/30/1967
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EXPIRED
11/3/1992
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