VERA LITVAK
Broker in South Hadley Falls, MA
License number
Massachusetts 9009002
Issued Date
Aug 13, 1994
Expiration Date
Dec 21, 1998
Type
Salesperson
Address
Address
South Hadley Falls, MA 01075
Professional information
Sectional Non-Slip Mattress
US Patent:
6990701, Jan 31, 2006
Filed:
Aug 5, 2005
Appl. No.:
11/197467
Inventors:
Vera Litvak - South Hadley MA, US
International Classification:
A47C 27/00
US Classification:
5723, 5727, 5702, 5726, 5911
Abstract:
The sectional non-slip mattress includes a support frame defining a plurality of compartments and at least one cushion having a plurality of ball bearings received within a cushion housing. Each compartment receives a corresponding ball bearing, thus preventing horizontal movement of the cushion with respect to the support frame. The ball bearings form a first material layer and a second material layer is formed from a set of elastic beads, each having a volume smaller than a volume of each of the ball bearings. A third material layer is formed from a plurality of gel-filled capsules and the three material layers are all housed within a fabric cushion housing, which is permeable to air. An additional air supply may be provided for driving pre-cooled or pre-heated air through the cushion.
Sectional Non-Slip Mattress And Support Frame Therefor
US Patent:
7086108, Aug 8, 2006
Filed:
Jan 30, 2006
Appl. No.:
11/341612
Inventors:
Vera Litvak - South Hadley MA, US
International Classification:
A47C 27/00, A47C 19/04
US Classification:
5723, 5727, 5702, 5911, 5202, 52001
Abstract:
The sectional non-slip mattress includes a support frame defining a plurality of compartments and at least one cushion having a plurality of ball bearings received within a cushion housing. Each compartment receives a corresponding ball bearing, thus preventing horizontal movement of the cushion with respect to the support frame. The ball bearings form a first material layer and a second material layer is formed from a set of elastic beads. A third material layer is formed from a plurality of gel-filled capsules and the three material layers are all housed within a fabric cushion housing, which is permeable to air. An additional air supply may be provided for driving pre-cooled or pre-heated air through the cushion.