Power whistle

Details Power whistle Power whistle

1991-12-10

1993-04-13

Cuchlinski, Jr., William A.

Signals and indicators

Horns, whistles and compressional wave generators

446204, G10K 500

Patent

active

052012760

ABSTRACT:
A novel mouth whistle capable of a very loud whistle sound and comfortable to hold and use orally is shaped with a somewhat flattened hemi-oblate body with a cavity opening to the front, the back end being rounded and the front opening end being cut off substantially flat in a single plane, transverse to the upper and lower opposed walls defining the cavity. The upper and lower walls are each perforated with a single, centrally located aperture substantially coaligned and in communication with the cavity.

REFERENCES:
patent: 733122 (1903-07-01), Bartholomew
patent: 805817 (1905-11-01), Pardoe

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