Push-push switch convertible to momentary switch

Claim 1

A PUSHBUTTON SWITCH OF THE LATCHING TYPE COMPRISING: AN INSULATING BASE HAVING AN OPEN-TOP CAVITY THEREIN; STATIONARY CONTACTS WITHIN SAID CAVITY HAVING CONNECTOR TERMINALS EXTENDING THROUGH SAID BASE TO THE EXTERIOR THEREOF AND BEING ADAPTED FOR CONNECTING THE STATIONARY CONTACTS TO AN EXTERNAL CIRCUIT; SPRING BIASED MOVABLE CONTACT MEANS IN SAID CAVITY FOR ENGAGING SAID STATIONARY CONTACTS TO COMPLETE AN ELECTRICAL CONNECTION; A COVER FOR SAID BASE HAVING A BUSHING THEREIN; A PUSHBUTTON HAVING A HOLLOW PLUNGER SLIDABLY EXTENDING THROUGH SAID BUSHING INTO SAID CAVITY FOR ACTUATING SAID MOVABLE CONTACT MEANS FROM NORMAL TO OPERATED POSITION; A LATCH INSERT MOUNTED IN AN APERTURE IN ONE WALL OF THE LOWER PORTION OF SAID PLUNGER WITHIN SAID CAVITY AND HAVING A LATCHING FACE DIRECTED INWARDLY AND BEING HELD IN SAID PLUNGER APERTURE BY AN ADJACENT WALL OF SAID BASE; AND A LATCH HOOK MOUNTED IN THE BOTTOM OF SAID BASE AND EXTENDING WITHIN SAID HOLLOW PLUNGER INTO ENGAGEMENT WITH THE LATCHING FACE OF SAID LATCH INSERT FOR LATCHING SAID SWITCH IN OPERATED POSITION WHEN SAID PUSHBUTTON IS DEPRESSED AND BEING OPERABLE TO RELEASE SAID SWITCH TO ALLOW SPRING-RETURN THEREOF TO ITS NORMAL POSITION IN RESPONSE TO FURTHER DEPRESSION OF SAID PUSHBUTTON THEREBY TO PROVIDE A SWITCH OF THE PUSH-PUSH TUPE AND SAID LATCH INSERT BEING REMOVABLE FROM SAID APERTURE TO COVNERT SAID SWITCH TO MOMENTARY TYPE.