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Patent
   D266567
Priority
Jan 21 1977
Filed
Apr 12 1979
Issued
Oct 19 1982
Expiry
Oct 19 1996
Inventors
Wukovich, …
Assg.orig
Foseco Tra…
Assg.curr
Foseco Tra…
Entity
unknown
Referenced by
2
References
4
Maint.:
n/a
The ornamental design for an insulating riser sleeve, as shown.

FIG. 1 is a side elevational view of an insulating riser sleeve showing my new design;

FIG. 2 is a longitudinal sectional view taken in the direction of the arrows in line 2--2 of FIG. 3;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.
INVENTORS:

Wukovich, Nick

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D397702, Jun 13 1997 ASK CHEMICALS L P Riser sleeve
D428900, Sep 03 1999 Joy Mark, Inc. Riser for molten metal mold
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3513904,
3815665,
DE2334501,
DE2428885,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 12 1979Foseco Trading AG(assignment on the face of the patent)
Nov 21 1991FOSECO TRADING AG, MERGED TO FOSECO HOLDING AGFoseco Trading AGMERGER & CHANGE OF NAME0066170106 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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