PTO Wrapper PDF
Dossier Espace Google
Patent
   D297349
Priority
Dec 09 1985
Filed
Dec 09 1985
Issued
Aug 23 1988
Expiry
Aug 23 2002
Inventors
Kronsbein,…
Assg.orig
Ultrafilte…
Assg.curr
Ultrafilte…
Entity
unknown
Referenced by
9
References
2
Maint.:
n/a
The ornamental design for a process filter housing, as shown.

FIG. 1 is a perspective view of my design for a process filter housing; and

FIG. 2 is an elevational view of the filter housing.
INVENTORS:

Kronsbein, Dirk G.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
7441664, May 23 2003 Helen of Troy Limited Water treatment devices and cartridges therefor
7615152, Aug 23 2001 Helen of Troy Limited Water filter device
7740765, Aug 23 2001 Helen of Troy Limited Methods for treating water
7740766, Aug 23 2001 Helen of Troy Limited Methods for treating water
7749394, Aug 23 2001 Helen of Troy Limited Methods of treating water
7850859, Aug 23 2001 Helen of Troy Limited Water treating methods
7922008, Aug 23 2001 Helen of Troy Limited Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
8119012, Aug 23 2001 Helen of Troy Limited Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
D501912, Aug 19 2003 Procter & Gamble Company, The Water filter device
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3951626, Oct 04 1974 Kreisler Manufacturing Corporation High temperature filter
97741,
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 09 1985Ultrafilter GmbH Dusseldorf(assignment on the face of the patent)
Jan 10 1986KRONSBEIN, DIRK G Ultrafilter GmbH DusseldorfASSIGNMENT OF ASSIGNORS INTEREST 0045510657 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule