Milk requirement indicator

Details Milk requirement indicator Milk requirement indicator

1975-12-31

1977-07-26

Swisher, S. Clement

Signals and indicators

Horns, whistles and compressional wave generators

Manually actuated air compressor

40311, G09F 900

Patent

active

040375595

ABSTRACT:
An indicator device for use in connection with milk bottles as a means of indicating a requirement therefor consists of two telescopingly and separably engaged conical members rotatably supported one upon another, and co-operating scale and pointer means on the respective parts adapted, according to a relative angular disposition, to indicate a selected one of a plurality of legends which constitute the scale.

REFERENCES:
patent: 2031291 (1936-02-01), Wahlin
patent: 2706464 (1955-04-01), North
patent: 3818858 (1974-06-01), Kramer

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