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Patent
D291832
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Priority
Feb 21 1984
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Filed
Aug 21 1984
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Issued
Sep 08 1987
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Expiry
Sep 08 2001
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Assg.orig
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Entity
unknown
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9
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3
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n/a
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The ornamental design for a structural beam, as shown and described.
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The FIGURE is a perspective view of a structural beam showing my new design
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Lundstrom, Lars-Birger
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 |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a