Cathodic protection of metal in vapor space

Claim 1

A CATHODICALLY PROTECTED METAL ARTICLE, WHICH COMPRISES A FIRST METALLIC MEMBER HAVING A SURFACE SUBJECT TO CORROSION WHEN EXPOSED TO A LIQUID CAPABLE OF CONDUCTING AN ELECTRIC CURRENT, A SECOND METALLIC MEMBER EXTENDING SUBSTANTIALLY COEXTENSIVELY WITH SAID FIRST MEMBER AND IN SPACED RELATION THERETO AND HAVING A PLURALITY OF OPENINGS THEREIN, A PLURALITY OF SPACED METAL MEANS EXTENDING FROM ONE MEMBER TO THE OTHER SAID MEMBER TO SUPPORT THE MEMBERS IN FIXED SPACED RELATION AND PROVIDE A CLEARANCE BETWEEN THE MEMBERS INTO WHICH THE OPENINGS IN THE SECOND MEMBER COMMUNICATE FOR PASSAGE OF SAID LIQUID, ELECTRICALLY INSULATING ABSORBENT MATERIAL CONFINED WITHIN THE CLEARANCE BETWEEN THE MEMBERS AND ADAPTED TO ABSORB SAID LIQUID WITH THE ABSORBED LIQUID FUNCTIONING AS AN ELECTROLYTE TO PROVIDE AN ELECTRICAL CONNECTION BETWEEN THE MEMBERS THROUGH SAID ELECTROLYTE, AND MEANS ELECTRICALLY CONNECTING SAID FIRST AND SECOND MEMBERS OTHER THAN SAID ELECTROLYTE TO PROVIDE A SECOND ELECTRICAL CONNECTION BETWEEN THE MEMBERS AND TO COMPLETE THE ELECTRIC CIRCUIT BETWEEN SAID MEMBERS, THE SAID FIRST MEMBER BEING THE CATHODE AND THE SECOND MEMBER THE ANODE IN SAID CIRCUIT TO THEREBY PROMOTE CORROSION OF THE SECOND MEMBER AND INHIBIT CORROSION OF THE FIRST MEMBER.