Liquid purification or separation – With repair or assembling means
Reexamination Certificate
2006-09-11
2009-06-09
Lithgow, Thomas M (Department: 1797)
Liquid purification or separation
With repair or assembling means
C210S359000, C210S470000, C210S482000, C215S391000, C220S694000, C206S804000
Reexamination Certificate
active
07544294
ABSTRACT:
A container includes a vessel having an opening proximate an upper end thereof and a floor proximate a lower end thereof. A threaded shaft secures to the floor and extends along a substantial portion of the height of the vessel. A slider having a threaded portion secures to the shaft. In a preferred embodiment, the slider defines passages allowing fluid to pass through the slider. A grippable member secures to the shaft enabling a user to rotate the shaft and cause the slide to move up in order to lift food items out of fluid within the container.
REFERENCES:
patent: 3580409 (1971-05-01), Soboleski
patent: 5456388 (1995-10-01), Honstein et al.
patent: 5868266 (1999-02-01), Nobakht
patent: 6036038 (2000-03-01), Lovelace et al.
patent: 6231909 (2001-05-01), Levinson
patent: 2752227 (1998-02-01), None
Black Lowe & Graham PLLC
Lithgow Thomas M
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