Automobile mileage reminder meter

Claim 1

AN AUTOMOBILE MILEAGE REMINDER METER COMPRISING: A HOUSING; A PLURALITY OF SHAFTS DISPOSED IN SAID HOUSING WITH THEIR AXES IN SPACED, GENERALLY PARALLEL RELATIONSHIP; A PLURALITY OF INDICIA CYLINDERS MOUNTED FOR INDIVIDUAL ROTATION ON EACH OF SAID SHAFTS AT SPACED POINTS ALONG THE SHAFT LENGTH, THE SPACING BETWEEN ADJACENT SHAFTS BEING LESS THAN THE DIAMETER OF THE CYLINDERS MOUNTED THEREON, THE CYLINDERS ON EACH SHAFT BEING ARRANGED IN STAGGERED ALTERNATING RELATION WITH THE CYLINDERS ON EACH ADJACENT SHAFT SO THAT THE CYLINDERS ON ONE SHAFT OVERLAP WITH THE CYLINDERS ON ADJACENT SHAFTS, EACH OF SAID CYLINDERS CARRYING A PLURALITY OF INDICIA AROUND ITS PERIPHERAL SURFACE; A PLURALITY OF WINDOWS IN SAID HOUSING CORRESPONDING TO THE PLURALITY OF CYLINDERS, EACH WINDOW EXPOSING ONE OF THE INDICIA ON THE PERIPHERAL SURFACE OF THE CORRESPONDING CYLINDER; WHEEL MEANS INTEGRAL WITH EACH CYLINDER ACCESSIBLE THROUGH THE CORRESPONDING WINDOW FOR INDIVIDUALLY ROTATING THE CYLINDER TO CHANGE THE VISIBLE INDICIA; A PLURALITY OF DETENT-ENGAGING SURFACES PROVIDED AT SPACED POINTS AROUND THE PERIPHERY OF EACH WHEEL MEANS IN GENERAL CORRESPONDENCE TO THE INDICIA THEREON; AND A SPRING-BIASED DETENT FOR EACH CYLINDER AFFIXED TO SAID HOUSING FOR ENGAGEMENT WITH SAID SURFACES OF SAID CYLINDER ONE AT A TIME TO RELEASABLY HOLD SAID CYLINDER AGAINST ROTATION WITH A SELECTED INDICIA VISIBLE THROUGH THE WINDOW CORRESPONDING THERETO.