Patent
   D424764
Priority
Mar 18 1998
Filed
Mar 18 1998
Issued
May 09 2000
Expiry
May 09 2014
Assg.orig
Entity
unknown
11
9
n/a
The ornamental design for a hydrofiltration vacuum extraction machine, as shown and described.

FIG. 1 is a perspective view of a solution tank;

FIG. 2 is a front elevational view of the solution tank;

FIG. 3 is a rear elevational view of the solution tank;

FIG. 4 is a top plan view of the solution tank;

FIG. 5 is a bottom plan view of the solution tank;

FIG. 6 is a right side elevational view of the solution tank;

FIG. 7 is a perspective view of the vacuum;

FIG. 8 is a front elevational view of the vacuum;

FIG. 9 is a rear elevational view of the vacuum;

FIG. 10 is a right side elevational view of the vacuum;

FIG. 11 is a top plan view of the vacuum;

FIG. 12 is a bottom plan view of the vacuum;

FIG. 13 is a perspective view of the solution tank installed on the vacuum;

FIG. 14 is a front elevational view of the solution tank installed on the vacuum;

FIG. 15 is a rear elevational view of the solution tank installed on the vacuum;

FIG. 16 is a top plan view of the solution tank installed on the vacuum; and,

FIG. 17 is a right side elevational view of the solution tank installed on the vacuum.

The solution tank (FIGS. 1-6) and vacuum machine FIGS. 7-6 and vacuum machine (FIGS. 7-12) are shown separate for clarity of illustration, the claimed design being directed to the entire hydrofiltration vacuum extraction machine shown in FIGS. 13-17.

LeSourd, Kehl T., Collins, Gary W.

Patent Priority Assignee Title
D432746, Apr 30 1999 HMI Industries, Inc. Canister vacuum cleaner
D452594, Jul 30 1999 Ariete S.p.A. Steam-cleaning appliance
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Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 18 1998Thermax, Inc.(assignment on the face of the patent)
Mar 18 1998COLLINS, GARY W THERMAX, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0090670211 pdf
Mar 18 1998LESOURD, KEHL T THERMAX, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0090670211 pdf
Dec 28 2005THERMAX, INC J & M DAVIS ENTERPRISES, LLC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0172300374 pdf
Oct 18 2006THERMAX, INC J & M Enterprises, LLCASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0184630878 pdf
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