Oil filter with removable housing

Claim 1

A SPIN-ON TYPE FILTER FOR SCREWING ONTO AN ENGINE BLOCK OR FILTER BASE MOUNTED ON THE ENGINE BLOCK COMPRISING A CYLINDRICAL HOUSING CLOSED AT ITS END OPPOSITE SAID ENGINE BLOCK, A SEPARATE CIRCULAR BOTTOM MEMBER ADAPTED TO FIT IN SAID OPEN END TO CLOSE OFF THE HOUSING, THREADED MEANS ON SAID BOTTOM MEMBER FOR THREADING IT ONTO AN ENGINE BLOCK, INLET AND OUTLET PORT MEANS IN SAID BOTTOM MEMBER FOR PASSING OIL TO BE FILTERED THROUGH THE HOUSING, RESILIENT SEALING MEANS DISPOSED ON THE OUTSIDE OF SAID BOTTOM MEMBER TO FORM A LIQUID-TIGHT SEAL WHEN SAID BOTTOMMEMBER IS SECURED TO THE ENGINE BLOCK, ANNULAR MEANS FORMED INTEGRAL WITH SAID HOUSING AND DISPOSED ADJACENT THE EDGE OF SAID OPEN END SAID EXTENDING OUTWARDLY OF SAID HOUSING, ANNULAR RESILIENT SEALING MEANS CARRIED BY SAID BOTTOM MEMBER, SAID ANNULAR RESILIENT SEALING MEANS BEING DISPOSED IN VERTICAL ALIGNMENT WITH SAID INTEGRAL ANNULAR MEANS AND POSITIONED BEYOND THE CIRCUMFERENCE OF SAID BOTTOM MEMBER AND BEING OF A DIAMETER SUBSTANTIALLY THE SAME AS SAID INTEGRAL ANNULAR MEANS TO FORM A LIQUID-TIGHT SEAL THEREWITH, AND CLAMPING MEANS FOR COMPRESSING SAID INTEGRAL ANNULAR MEANS AND ANNULAR RESILIENT SEALING MEANS TOGETHER TO SECURE SAID BOTTOM MEMBER TO SAID HOUSING.