Carafe with contents volume indicator

Details Carafe with contents volume indicator Carafe with contents volume indicator

2007-01-16

2007-01-16

Brinson, Patrick (Department: 3754)

Dispensing

With recorder, register, indicator, signal or exhibitor

Float-level indicators

C222S131000, C222S156000, C222S183000, C222S321700, C222S383100, C220S592210, C220S592270, C215S230000

Reexamination Certificate

active

10719115

ABSTRACT:
An inexpensive, readily visible indicator for liquid levels in a vacuum bottle that includes a coating of reflective material to minimize radiation heat transfer from the interior of the vacuum bottle to the exterior of the assembly. The vacuum bottle assembly includes a container receiving the vacuum bottle and a transparent or translucent window is located in the side wall of the container and in alignment with an interruption in the reflective coating. An indicator is located within the vacuum bottle and is aligned with both the windows and the interruption so as to be visible therethrough to provide an indication of the level of the liquid contained within the inner liner of the vacuum bottle.

REFERENCES:
patent: 3774603 (1973-11-01), McPhee
patent: 3905520 (1975-09-01), Nishioka
patent: 4113147 (1978-09-01), Frazier et al.
patent: 4116366 (1978-09-01), Takenakashima et al.
patent: 4274562 (1981-06-01), Medeiros et al.
patent: 4359174 (1982-11-01), Ikunosuke et al.
patent: 4735345 (1988-04-01), Lee
patent: 5649471 (1997-07-01), Heynderickx et al.
patent: 5653362 (1997-08-01), Patel
patent: 6119900 (2000-09-01), Iwamoto et al.
patent: 6301961 (2001-10-01), Rolfes et al.
PCT WO 95/00434 Drink-Dispensing Devise, Konig, Harald, Jan. 5, 1995.

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