Patent
   D325261
Priority
Jan 05 1990
Filed
Jan 05 1990
Issued
Apr 07 1992
Expiry
Apr 07 2006
Assg.orig
Entity
unknown
3
5
n/a
The ornamental design for a structural beam for concrete form systems, as shown and described.

FIG. 1 is a front perspective view of a structural beam for concrete form systems showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a cross-sectional view taken along line 5--5 of FIG. 3.

McCracken, Robert G.

Patent Priority Assignee Title
D394964, Jul 31 1997 555 DESIGN FABRICATION MANAGEMENT, INC Square retail display unit
D413682, Sep 17 1998 Rob International Pty Ltd Trellis post
D420153, Sep 17 1998 ROB International Pty. Ltd. Trellis post
Patent Priority Assignee Title
1242892,
2067403,
3094197,
3141531,
861924,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 04 1990MCCRACKEN, ROBERT G Economy Forms CorporationASSIGNMENT OF ASSIGNORS INTEREST 0052500633 pdf
Jan 05 1990Wilian Holding Company(assignment on the face of the patent)
Dec 05 1990ECONOMY FORMS CORPORATION, A CORP OF IAWILIAN HOLDING COMPANY, A CORP OF IOWAASSIGNMENT OF ASSIGNORS INTEREST 0055700009 pdf
Oct 29 1997Symons CorporationBANK ONE, N A SECURITY AGREEMENT0087920089 pdf
Jun 16 2000Symons CorporationBankers Trust CompanySECURITY INTEREST SEE DOCUMENT FOR DETAILS 0110190638 pdf
Dec 05 2003BANK ONE, N A DUR-O-WAL, INC RELEASE OF SECURITY INTEREST0149010052 pdf
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