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Title: US4890853: Wheelchair walker
[ Derwent Title ]


Country:
Kind:
US United States of America
A PATENT [FROM BEGIN UNTIL END 2000] or PATENT ISSUED AFTER 1ST PUB. WITHIN THE TVPP i

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9 pages

 
Inventor: OLSON LUANNE; United States of America

Assignee: OLSON LUANNE United States of America
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Published / Filed: 1990-01-02 / 1988-03-07

Application Number: US1988000165177

IPC Code: Advanced: A61G 5/00; A61G 7/10; A61G 5/10; A61G 5/12; A61H 3/00;

ECLA Code: A61G5/14; A61G5/00; A61G7/10; A61G7/10S6; A61G7/10Z10H; K61G5/10Z6; K61H201/16A12B; K61G5/10S2; K61G5/12E; K61G5/12H; K61G200/34;

U.S. Class: 280/087.021; 005/081.R; 272/070.3; 280/047.4; 297/005; 297/DIG.04;

Priority Number:
1988-03-07  US1988000165177

Abstract:     A foot-propelled wheelchair-walker device which provides for the seated support of the user and also enables the user to stand and walk with the assistance of the device. The wheelchair-walker device has a four wheel base, a hydraulic post for height adjustment, a bent U-shaped cloth covered frame for a patient seat support suspended from the hydraulic post, a retaining bar attachable to said frame and a strap that extends between the user's legs and attaches to the retaining bar to secure the position of the user.

Maintenance Status: E2 Expired  Check current status
CC Certificate of Correction issued

INPADOC Legal Status:
Gazette date Code   Description (remarks)     List all possible codes for US
1998-03-17 FP - Expired due to failure to pay maintenance fee   ( 1998-01-07 )
1998-01-04 LAPS - Lapse for failure to pay maintenance fees  
1997-08-12 REMI Maintenance fee reminder mailed  
1993-06-17 FPAY + Fee payment  
1991-01-15 CC Certificate of correction  


       
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PublicationPub. DateFiled   Assignee   Title
Buy PDF - 9pp US4890853 1990-01-02  1988-03-07    Wheelchair walker
  1 family members shown above     - Based on data when this patent issued.


Forward References: Show 71 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (71)   |   Backward references (0)   |   Citation Link

       
Other Abstract Info: None

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