Remotely controlled, electrically operated, model submarine

Claim 1

A MODEL SUBMARINE HAVING A SUBSTANTIALLY WATERTIGHT HULL TO PERMIT BOTH SURFACED AND SUBMERGED CRUISING OPERATIONS, SAID SUBMARINE COMPRISING: A WATERTIGHT HULL PORTION CLOSELY SIMULATING AN ACTUAL SUBMARINE; A REVERSIBLE DRIVING MEANS LOCATED WITHIN SAID HULL PORTION BUT REMOTELY CONTROLLED FOR SELECTIVELY PROPELLING SAID MODEL SUBMARINE EITHER FORWARD OR BACKWARD; REMOTELY CONTROLLED DIVING PLANE MEANS ON THE OUTSIDE OF SAID HULL PORTION FOR CAUSING SAID MODEL SUBMARINE TO SELECTIVELY RISE OR DIVE; REMOTELY CONTROLLED RUDDER MEANS ON THE OUTSIDE OF SAID HULL PORTION TO SELECTIVELY STEER SAID MODEL SUBMARINE IN A SELECTED COURSE;