Electric secondary batteries

Claim 1

IN AN ELECTRIC SECONDARY BATTERY, A CUP-LIKE CONTAINER OPEN AT ITS TOP AND HAVING A CLOSED BOTTOM, A NEGATIVE ELECTRODE COMPRISING AN ANNULAR LAYER OF SPONGY LEAD CLOSELY PROXIMATE TO AND RELYING ENTIRELY FOR ITS MECHANICAL SUPPORT UPON THE INNER WALL OF SAID CONTAINER, AN ELECTRICAL CONDUCTOR AT LEAST IN PART SURROUNDING SAID NEGATIVE ELECTRODE AND COMPRISING AN EXTREMELY THIN FOIL SHAPED FROM AN INITIALLY RECTANGULAR SHEET TO CONFORM TO THE SHAPE OF SAID ANNULAR LAYER, A POSITIVE ELECTRODE ARRANGED IN SPACED RELATION WITHIN THE NEGATIVE ELECTRODE AND COMPRISING A MASS OF POSITIVE ACTIVE MATERIAL WITH AN ELECTRICAL CONDUCTOR EMBEDDED THEREIN, SAID ANNULAR LAYER OF THE CONTAINER AND SAID POSITIVE ELECTRODE BEING DIRECTLY OPPOSED TO THE CONTAINER BOTTOM, KIESELGUHR FILLING THE SPACE BETWEEN THE NEGATIVE AND POSITIVE ELECTRODES AND EXTENDING ENTIRELY OVER THE TOP OF THE LATTER, THE ELECTRODES AND THE KIESELGUHR FORMING A SOLID BLOCK WHICH HOLDS ALL ACID ELECTROLYTE REQUIRED FOR THE PROPER AND EFFICIENT WORKING OF THE BATTERY, A POROUS DISC CLOSURE SNUG WITHIN THE TOP OF THE CONTAINER AND THE FOIL CONDUCTOR AND OVER THE TOP OF AND AGAINST THE KIESELGUHR, A CLOSURE ABOVE THE POROUS DISC AND CLOSING THE OPEN TOP OF THE CONTAINER, AND POSITIVE AND NEGATIVE TERMINAL MEMBERS RESPECTIVELY CONNECTED WITH THE POSITIVE AND NEGATIVE ELECTRODES, THE EXTERNAL SURFACE OF SAID NEGATIVE ELECTRODE BEING SLIGHTLY TAPERED AS A FRUSTO-CONE, AND THE INTERIOR OF THE CONTAINER BEING CORRESPONDINGLY TAPERED SO AS TO ENSURE THAT THE NEGATIVE ELECTRODE FITS SNUGLY AND INTIMATELY WITHIN THE CONTAINER.