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CERCOR
Filed on: 9/11/1998
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ceramic membrane filters for liquid and gas particulate filtration for industrial use
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CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE
1/19/2008
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CERCOR
Filed on: 8/15/1962
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Gaseous Heat Transfer Apparatus and Devices, Including Heat Exchangers for Use in Gas Turbine Engines of All Sorts; and Gas Burners and Liquid Fuel Burners of All Sorts
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CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE
12/18/2004
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CERCOR
Filed on: 8/15/1962
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FILTERS FOR THE SEPARATION OF LIQUIDS FROM GASES
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EXPIRED
11/13/1983
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CERCOR
Filed on: 8/15/1962
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CELLULAR CERAMIC MATERIALS FOR USE AS RAW MATERIALS IN THE INDUSTRIAL ARTS
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EXPIRED
11/13/1983
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CERCOR
Filed on: 8/15/1962
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EXPIRED
6/24/1984
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