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Patent
   D291832
Priority
Feb 21 1984
Filed
Aug 21 1984
Issued
Sep 08 1987
Expiry
Sep 08 2001
Inventors
Lundstrom,…
Assg.orig
HB Megaron
Assg.curr
HB MEGARON…
Entity
unknown
Referenced by
11
References
3
Maint.:
n/a
The ornamental design for a structural beam, as shown and described.

The FIGURE is a perspective view of a structural beam showing my new design .
INVENTORS:

Lundstrom, Lars-Birger

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6131362, Feb 04 1998 Buecker Machine & Iron Works, Inc.; BUECKER MACHINE & IRON WORKS, INC Sheet metal beam
8113489, Oct 15 2002 Rail
8181423, Jun 23 2003 Smorgon Steel Litesteel Products Pty Ltd. Beam
D317521, Aug 15 1988 SKF Specialty Products Aktiebolag Supporting beam for conveyor elements or the like
D401357, Dec 17 1996 RINOT PLANNING & INSTALLATION LTD Construction beam extrusion
D541437, Sep 03 2004 Smorgon Steel Litesteel Products Pty Ltd Structural beam
D541438, Sep 03 2004 Smorgon Steel Litesteel Products Pty Ltd Structural beam
D542421, Sep 03 2004 Smorgon Steel Litesteel Products Pty Ltd Structural beam
D663488, Mar 10 2010 LUBING Maschinenfabrik Ludwig Bening GmbH & Co. KG Pipeline
ER5161,
ER9757,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2387432,
3342007,
3872642,
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 21 1984HB Megaron(assignment on the face of the patent)
Jun 14 1985LUNDSTROM, LARS-BIRGERHB MEGARON, A CORP OF SWEDENASSIGNMENT OF ASSIGNORS INTEREST 0045080034 pdf
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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