Two-stage pop up thermometer

Details Two-stage pop up thermometer Two-stage pop up thermometer

1981-12-18

1983-12-20

Yasich, Daniel M.

Signals and indicators

Indicators

Temperature responsive or compensating means

374155, G01K 1106

Patent

active

044210531

ABSTRACT:
A disposable cooking thermometer has a hollow barrel with a neck therein containing a stem that is spring loaded to move out of an open upper end of the barrel and is held within the barrel by a fusable material about an inner stem end in spaced relation below the barrel neck and about an internal barrel projection below the neck so that initial softening of the fusable material releases the stem to move a first predetermined distance whereat the material engages the barrel underneath the neck until the material melts to release the stem to move a second predetermined distance.

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patent: 3656452 (1972-04-01), Kliewer
patent: 3682130 (1972-08-01), Jeffers
patent: 3693579 (1972-09-01), Kliewer
patent: 3811402 (1974-05-01), Kelley
patent: 3965849 (1976-06-01), Gee
patent: 4170956 (1979-10-01), Wear

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