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Patent
D821928
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Priority
Feb 20 2017
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Filed
Feb 20 2017
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Issued
Jul 03 2018
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Expiry
Jul 03 2033
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Assg.orig
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Entity
unknown
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2
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11
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n/a
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The ornamental design for a wheelchair structure element, as shown and described.
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1. Wheelchair structure element
1.1 : Top
1.2 : Front
1.3 : ¾ front with wheelchair
1.4 : Left
1.5 : ¾ front
In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design.
Bardina, Pierre
| Patent |
Priority |
Assignee |
Title |
| 4471972, |
Apr 20 1982 |
|
Propulsion and safety device for a conventional wheelchair |
| 4720117, |
Apr 14 1986 |
Sunrise Medical HHG Inc |
Hand-pedalling attachment for wheel-chairs |
| 5501480, |
Jun 04 1993 |
|
Auxiliary frame for a wheelchair and wheelchair for use with an auxiliary frame |
| 5899476, |
Dec 08 1997 |
|
Auxiliary frame with propulsion and steering means for attachment to wheelchair |
| 8651507, |
Jun 27 2007 |
DAEDALUS WINGS, INC |
Mounting assembly for attaching auxiliary equipment to a wheelchair |
| 9056035, |
Sep 12 2013 |
Cycling & Health Tech Industry R&D Center |
Manual tractor assembly for tracking wheel chair |
| 9872805, |
Jul 08 2013 |
BATEC MOBILITY, S L |
Auxiliary mobility system for a wheelchair |
| D592373, |
Oct 07 2006 |
BUGGYBOOT LIMITED |
Attachment device for a pushchair |
| D594792, |
Mar 27 2007 |
Takano Co., Ltd. |
Rolling walker |
| D623559, |
Feb 20 2009 |
Takano Co., Ltd. |
Walking support stick with wheels |
| D809974, |
Mar 16 2016 |
Perfect Union Co., Ltd. |
Foldable motorized vehicle |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a