Photoelectric target practice pistol

Claim 1

A TARGET PRACTICE PISTOL, COMPRISING A HOLLOW CASING HAVING A TUBULAR BARALLEL AT ONE END, A PHOTOELECTRIC CELL IN THE CASING EXPOSABLE THROUGH SAID BARALLE TO A LIGHT TARGET EXTERNAL OF SAID CASING, SAID LIGHT TARGET EMITTING LIGHT OF SUFFICIENT BRIGHTNESS TO ACTIVATE SAID CELL, CIRCUIT MEANS CONNECTED TO SAID CELL, POWER SUPPLY MEANS IN SAID CASING CONNECTED TO SAID CIRCUIT MEANS TO ENERGIZE THE SAME, SIGNAL MEANS CONNECTED TO SAID CIRCUIT MEANS AND CONTROLLABLE THEREBY TO INDICATE WHEN SAID CIRCUIT MEANS IS ENERGIZED, SAID CIRCUIT MEANS INCLUDING A SWITCH HAVING NORMALLY OPEN CONTACTS TO KEEP SAID CIRCUIT MEANS IN A NORMALLY DEENERGIZED STATE, WHEREBY SAID CIRCUIT IS ENERGIZED ONLY MOMENTARILY WHILE LIGHT FROM SAID TARGET IMPINGES ON SAID CELL SIMULTANEOUS WITH MOMENTARY CLOSURE OF THE SWITCH CONTACTS, A MANUALLY MOVABLE TRIGGER DISPOSED TO CAUSE THE CONTACTS OF SAI SWITCH TO CLOSE AUTOMATICALLY FOR ONLY AN INSTANT AT A TIME DURING EACH OPERATIVE MOVEMENT OF THE TRIGGER AND THEN TO PERMIT THE SWITCH CONTACTS TO OPEN AUTOMATICALLY AND REMAIN OPEN DURING THE REMAINDER OF SAID MOVEMENT, SO THAT SAID CIRCUIT MEANS IS ENERGIZED BY SAID POWER SUPPLY MEANS ONLY MOMENTARILY WHILE THE CONTACTS OF SAID SWITCH ARE