Whistle-cap device

Patent

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Details

46179, A63H 500

Patent

active

041213750

ABSTRACT:
A whistle-cap device adapted for attachment to a container having a head and threaded section extending from said head. The device includes threads adapted to mate with the threaded section of the container and a whistle portion which is inoperative when the device is assembled on a container.

REFERENCES:
patent: 917271 (1909-04-01), Elliott et al.
patent: 2490368 (1949-12-01), Millstein
patent: 3142130 (1964-07-01), Weitzell

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