PTO Wrapper PDF
Dossier Espace Google
Patent
   D253554
Priority
Sep 23 1976
Filed
Dec 21 1976
Issued
Nov 27 1979
Expiry
Nov 27 1993
Inventors
Blomqvist,…
Assg.orig
AB Lyckeab…
Assg.curr
AB Lyckeab…
Entity
unknown
Referenced by
2
References
4
Maint.:
n/a
The ornamental design for an elastic frame for fireproof feed-through of electric cables in walls of concrete or rock or the like, as shown.

FIG. 1 is a perspective view of an elastic frame for fireproof feed-through of electric cables in walls of concrete or rock or the like, showing my new design; and

FIG. 2 is a perspective view thereof from the side opposite that visible in FIG. 1.
INVENTORS:

Blomqvist, Erik M.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5783776, Oct 29 1991 GSEG LLC Electrical cable penetration seal with compliant module
5939676, Oct 29 1991 GSEG LLC Electrical cable penetration seal with compliant module
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2623303,
3800486,
4071265, Sep 24 1975 Threaded mechanical joint wall sleeve
GB1246436,
ASSIGNMENT RECORDS    Assignment records on the USPTO
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 21 1976AB Lyckeaborgs Bruk(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule