|
The ornamental design for a step for a portable riser assembly, as shown. |
FIG. 1 is a top, front, and left end perspective view of a step for a portable riser assembly showing our new design;
FIG. 2 is a bottom, rear, and right end perspective view;
FIG. 3 is a right end elevational view;
FIG. 4 is a left end elevational view;
FIG. 5 is a rear elevational view;
FIG. 6 is a bottom plan view;
FIG. 7 is a front elevational view; and,
FIG. 8 is a top plan view.
Gaston, Johannes N., Kniefel, John H., Reshanov, Eugene N.
Patent | Priority | Assignee | Title |
7546705, | Feb 26 2003 | NUDO PRODUCTS, INC | Portable riser apparatus having a lifting and locking assembly |
7814708, | Feb 26 2003 | NUDO PRODUCTS, INC | Portable riser apparatus having a lifting and locking assembly |
9580911, | Oct 07 2015 | TL FAB, LP | Stair tread and improved method of building a stairway |
D519430, | Sep 15 2003 | Removable cover for recreational vehicle step | |
D611617, | Feb 12 2008 | RH Products International AS | Scaffolding equipment |
D611623, | May 12 2009 | Surface ornamentation for a ground decking panel | |
D611624, | May 12 2009 | Surface for a ground decking panel | |
D611625, | May 12 2009 | Surface for a ground decking panel | |
D611626, | May 12 2009 | Surface for a ground decking panel | |
D611627, | Jun 01 2009 | Surface for a ground decking panel | |
D733932, | Sep 13 2013 | Concrete step | |
ER7151, | |||
ER7453, | |||
ER8056, | |||
ER8098, |
Patent | Priority | Assignee | Title |
1964660, | |||
1985143, | |||
2697931, | |||
3765509, | |||
3851431, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 28 1992 | KNIEFEL, JOHN H | WENGER CORPORATION A CORPORATION OF MN | MORTGAGE SEE DOCUMENT FOR DETAILS | 006000 | /0318 | |
Jan 28 1992 | RESHANOV, EUGENE N | WENGER CORPORATION A CORPORATION OF MN | MORTGAGE SEE DOCUMENT FOR DETAILS | 006000 | /0318 | |
Jan 28 1992 | GASTON, JOHANNES N | WENGER CORPORATION A CORPORATION OF MN | MORTGAGE SEE DOCUMENT FOR DETAILS | 006000 | /0318 | |
Jan 30 1992 | Wenger Corporation | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |