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Publication numberUSD297860 S
Publication typeGrant
Application numberUS 06/788,942
Publication dateSep 27, 1988
Filing dateOct 18, 1985
Publication number06788942, 788942, US D297860 S, US D297860S, US-S-D297860, USD297860 S, USD297860S
InventorsRichard A. Leoncavallo, Peter K. Baird, Ravinder C. Mehra, Sharad R. Rajguru
Original AssigneeNalge Company
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Filter unit
US D297860 S
Images(4)
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Claims(1)
  1. The ornamental design for a filter unit, as shown and described.
Description

FIG. 1 is a front elevational view of a filter unit illustrating our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevational view of a modified form of FIG. 1;

FIG. 7 is a side elevational view of a second modified form of FIG. 1;

FIG. 8 is a front elevational view of FIG. 6; and

FIG. 9 is a front elevational view of FIG. 7.

The top and bottom views of FIGS. 6 and 7 are identical to that shown in FIGS. 1-5 with the outlet port eliminated.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7798333Sep 5, 2006Sep 21, 2010Roush Life Sciences, LlcSystems, apparatus and methods for vacuum filtration
US8157104Jan 31, 2008Apr 17, 2012Roush Life Sciences, LlcApparatus for supporting a vacuum filtration device
US8158009Jan 31, 2008Apr 17, 2012Roush Life Sciences, LlcMethods and apparatus for foam control in a vacuum filtration system
US8231012Jan 31, 2008Jul 31, 2012Roush Life Sciences, LlcFiltrate storage system
US8235221Jan 31, 2008Aug 7, 2012Roush Life Sciences, LlcMethods for vacuum filtration
Classifications
U.S. ClassificationD24/162