SEASIDE RESOURCES, LTD., A CORP. OF OREGON

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4691789 Process for establishing a clear horizontal borehole in a subterranean formationExpiredJun 09, 86Sep 08, 87[E21D, E21B]
4687060 Production and grout liner for methane drainage in subterranean boreholes and methodExpiredJun 13, 86Aug 18, 87[E21B]
4651836 Process for recovering methane gas from subterranean coalseamsExpiredApr 01, 86Mar 24, 87[E21F, E21B]
4624328 In-shaft drilling apparatus for recovery of gas from subterranean formationsExpiredSep 06, 85Nov 25, 86[E21B]
4611855 Multiple level methane drainage methodExpiredMay 11, 84Sep 16, 86[E21B, E21C]
4600061 In-shaft drilling method for recovery of gas from subterranean formationsExpiredJun 08, 84Jul 15, 86[E21D, E21B, E21C]
4533182 Process for production of oil and gas through horizontal drainholes from underground workingsExpiredAug 03, 84Aug 06, 85[E21B, E21C]
4484643 Gas-liquid-solids separation systemExpiredJun 27, 83Nov 27, 84[E21B]
4480842 Self-aligning stuffing boxExpiredJun 27, 83Nov 06, 84[F16J]
4452489 Multiple level methane drainage shaft methodExpiredSep 20, 82Jun 05, 84[E21B, E21C]

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