Door alarm toy

Details Door alarm toy Door alarm toy

1978-04-19

1980-03-25

Yasich, Daniel M.

Signals and indicators

Alarms

Burglar

46175R, 46179, 116 86, A63H 500, G08B 1308

Patent

active

041944615

ABSTRACT:
A door alarm toy comprising a whistle adapted to be sounded by air escaping from an inflated balloon; and a clip adapted for engagement between a door and its door frame to hang the toy with an inflated balloon pressed against the door to frictionally retain a twist in the balloon which prevents it from deflating. When the door is then opened, the toy drops, the balloon untwists and air escaping from the balloon sounds the whistle.

REFERENCES:
patent: 439503 (1890-10-01), Griffith
patent: 868543 (1907-10-01), Geiger
patent: 1098286 (1914-05-01), Miller
patent: 1543954 (1925-06-01), Shira
patent: 2519324 (1950-08-01), Smith, Jr.
patent: 3169509 (1965-02-01), Rich
patent: 3172588 (1965-03-01), Beefold et al.
patent: 4108104 (1978-08-01), Kupperman et al.

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