Patent
   D322134
Priority
Dec 06 1989
Filed
Dec 06 1989
Issued
Dec 03 1991
Expiry
Dec 03 2005
Assg.orig
Entity
unknown
2
4
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The ornamental design for a platform support, as shown and described.

FIG. 1 is a frost elevational view of a platform support showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left end elevational view, the right end being a mirror image thereof;

FIG. 5 is a front elevational view of a second embodiment of a platform support showing my new design;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a left end elevational view thereof; and

FIG. 10 is a right end elevational view thereof.

Eickhoff, Jon H.

Patent Priority Assignee Title
9580911, Oct 07 2015 TL FAB, LP Stair tread and improved method of building a stairway
D417736, Dec 29 1998 Pre-formed stair component
Patent Priority Assignee Title
3266593,
3620027,
4161232, Feb 15 1978 BUSTIN INDUSTRIAL PRODUCTS, INC Safety deck mounting structure
4948300, May 16 1988 NORSON INDUSTRIES, INC Multiple section pier and installation assembly
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 20 1989EICKHOFF, JON H RONNINGEN RESEARCH & DEVELOPMENT COMPANY, A CORP OF MIASSIGNMENT OF ASSIGNORS INTEREST 0052260274 pdf
Dec 06 1989Ronningen Research & Development Company(assignment on the face of the patent)
Nov 29 1990RONNINGEN RESEARCH AND DEVELOPMENT COMPANY, A CORP OF MINBD BUSINESS FINANCE, INC , A DE CORP SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0055870575 pdf
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