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JOHNSON SCREENS
Filed on: 5/2/2016
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Pelletized chemicals for rehabilitation of encrusted wells; chemicals to reduce the viscosity of drilling fluid additive; granular acid, liquid acid, clay dispersant, bioacid, biocaustic dispersant, nonionic dispersant, surfactant and chlorine enhancer for removal of scale and...
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CONTINUED USE AND INCONTESTIBILITY ACCEPTED
1/23/2024
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JOHNSONSCREENS
Filed on: 5/2/2016
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Pelletized chemicals for rehabilitation of encrusted wells; chemicals to reduce the viscosity of drilling fluid additive; granular acid, liquid acid, clay dispersant, bioacid, biocaustic dispersant, nonionic dispersant, surfactant and chlorine enhancer for removal of scale and...
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CONTINUED USE AND INCONTESTIBILITY ACCEPTED
1/3/2024
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JOHNSONSCREENS
Filed on: 4/3/2003
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Pelletized chemicals for rehabilitation of encrusted wells; chemicals to reduce the viscosity of drilling fluid additive; granular acid, liquid acid, clay dispersant, bioacid, biocaustic dispersant, nonionic dispersant, surfactant and chlorine enhancer for removal of scale and...
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CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE
1/16/2015
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