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Patent
   D288227
Priority
Aug 27 1984
Filed
Aug 27 1984
Issued
Feb 10 1987
Expiry
Feb 10 2001
Inventors
Robinson, …
Assg.orig
HELDOR IND…
Assg.curr
SOUTH CENT…
Entity
unknown
Referenced by
3
References
6
Maint.:
n/a
The ornamental design for a chemical feeder for swimming pools, as shown.

FIG. 1 is a front elevational view of a chemical feeder for swimming pools showing my new design.

FIG. 2 is a side elevational view, the opposite side being identical in appearance.

FIG. 3 is a top plan view.

FIG. 4 is a rear elevational view.

FIG. 5 is a bottom plan view.
INVENTORS:

Robinson, Ural M.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6432371, Sep 18 1998 Child proof chlorine dispenser with a three dimensional ornament
D309493, Sep 16 1988 ARCH CHEMICALS, INC Chlorine dispenser for swimming pools
D315779, Jul 24 1989 IPC INC Water filter
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4151092, Jul 11 1977 Teledyne Industries, Inc. Portable water filter
211724,
216691,
220958,
D249275, Mar 24 1977 Teledyne Industries, Inc. Portable water filter
D251675, Aug 05 1977 Chlorinator
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 22 1984ROBINSON, URAL M HELDOR INDUSTRES INC , A CORP OF CTASSIGNMENT OF ASSIGNORS INTEREST 0043070288 pdf
Aug 27 1984Heldor Industries, Inc.(assignment on the face of the patent)
Feb 21 1994HELDOR CORPORATIONSOUTH CENTRAL POOL SUPPLY, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0069460060 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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