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The ornamental design for a wheelchair base frame, as shown and described. |
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FIG. 1 is a planar view of my wheelchair base frame, shown from above;
FIG. 2 is a perspective view of my wheelchair base frame, shown obliquely from the rear side and slightly from above;
FIG. 3 is a side view of my wheelchair base frame, from the right side;
FIG. 4 is a planar view of my wheelchair base frame, shown from below, and from the opposite side as compared to the view shown in FIG. 1.
FIG. 5 is a front view of my wheelchair base frame; and,
FIG. 6 is a side view of my wheelchair base frame, from the left side, and from the opposite side as compared to the view shown in FIG. 3.
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| D602405, | Apr 01 2008 | R82 A S | Wheel chair |
| D609138, | Apr 01 2008 | R82 A/S | Wheel chair chassis member |
| D654407, | Dec 23 2010 | Zoomability AB | Vehicle |
| D742286, | Jul 26 2012 | Stryker Corporation | Wheelchair rear wheels with supports |
| Patent | Priority | Assignee | Title |
| D294476, | Nov 25 1985 | Everest & Jennings, Inc. | Modular wheelchair base |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 25 1993 | JOHANSSON, SVEN | BORAS ELEKTROTEKNISKA VERKSTAD SJOSTRAND & JOHANSSON AB | ASSIGNMENT OF ASSIGNORS INTEREST | 006511 | /0931 | |
| Apr 07 1993 | Boras Elektrotekniska Verkstad, Sjostrand & Johansson AB | (assignment on the face of the patent) | / | |||
| Aug 29 2000 | BORAS ELEKTROTEKNISKA VERKSTAD SJOSTRAND & JOHANSSON AB | BEV EUROAID AKTIEBOLAG | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 013625 | /0651 | |
| Aug 29 2000 | BEV EUROAID AKTIEBOLAG | Autoadapt-Bev AB | MERGER SEE DOCUMENT FOR DETAILS | 013625 | /0709 |
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