The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 1989
Filed:
Aug. 17, 1987
Applicant:
Inventor:
Donald H Holdt, Cambridge, MD (US);
Assignee:
Cambridge Technologies, Inc., Cambridge, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C / ; A44C / ;
U.S. Cl.
CPC ...
297443 ; 4237 ; 297 84 ; 297193 ; 297440 ; 297D / ;
Abstract
An invalid wheelchair/litter having improvements in the areas of a cushioning cylinder that softens the lowering motion from the litter configuration to the chair configuration to protect the patient, providing removable upholstery which permits use of slip covers and quick and easy cleaning of the apparatus, improved foot rest structure having numerous advantageous features, and a toilet seat variation to permit the user to perform bodily functions while seated in the invention apparatus.