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:
Nov. 11, 1997
Filed:
Feb. 15, 1996
Allen Kopfstein, Foxboro, MA (US);
Norman Dieter, Pleasantville, NY (US);
Jack Wilkerson, Pleasant Valley, NY (US);
Geomarine Systems, Inc., Carmel, NY (US);
Abstract
In one preferred embodiment, an alternating pressure mattress system, including: a mattress including a plurality of narrow, parallel, closely-spaced, horizontally adjacent air sacks, every other one of the air sacks forming a first group of air sacks being commonly connected for the introduction thereinto of pressurized air and the others of the air sacks forming a second group of air sacks and being commonly connected for the introduction thereinto of pressurized air; apparatus to supply the pressurized air to the first and second groups of air sacks; control apparatus to alternatingly inflate and deflate the first and second groups of air sacks for selected periods of time; and the control apparatus providing for intervals of time at inflation/deflation transitions during which periods of time the pressurized air is being furnished to both the first and second groups of air sacks.