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Patent
   D356625
Priority
May 28 1993
Filed
May 28 1993
Issued
Mar 21 1995
Expiry
Mar 21 2009
Inventors
Petrucci, …
Assg.orig
HYDRO SYST…
Assg.curr
Ecolab USA…
Entity
unknown
Referenced by
78
References
9
Maint.:
n/a
The ornamental design for a filter adapter head, as shown and described.

FIG. 1 is a top plan view of a filter adapter head showing our new design;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof, the left side being substantially identical mirror image; and,

FIG. 5 is a top and right side perspective view thereof.
INVENTORS:

Petrucci, Raymond M., Cheatwood, Harry T.

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7294262, Aug 27 2003 Pentair Filtration Solutions, LLC Modular fluid treatment apparatus
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ER7660,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
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ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 03 1993PETRUCCI, RAYMOND M HYDRO SYSTEMS INTERNATIONAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065770444 pdf
May 10 1993CHEATWOOD, HARRY T HYDRO SYSTEMS INTERNATIONAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065770444 pdf
May 28 1993Hydro Systems International(assignment on the face of the patent)
May 28 1993W. F. srl(assignment on the face of the patent)
May 28 1993PureMark USA, Inc.(assignment on the face of the patent)
Jan 24 1994HYDRO SYSTEMS INTERNATIONAL, INC PUREMARK USA, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0068670531 pdf
Jan 24 1994HYDRO SYSTEMS INTERNATIONAL, INC W F SRLASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0068670531 pdf
Jun 30 1998PUREMARK INTERNATIONAL, LTD Ecolab IncMERGER SEE DOCUMENT FOR DETAILS 0093140228 pdf
Jun 30 1998HYDROSYSTEMS, INTERNATIONAL, INC Ecolab IncMERGER SEE DOCUMENT FOR DETAILS 0093140228 pdf
Jan 01 2009ECOLAB, INC Ecolab USA IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0569880177 pdf
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