Patent US4689844A successfully refreshed from Google Patents.
US4689844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible body supporting pads
Assignee: Individual
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Filing: 1986-04-29
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Granted: 1987-09-01
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Expires: 2006-04-29
Abstract
Abstract Support pads or mattresses are formed from flexible fabric closed covers of generally rectangular configuration forming a chamber or space which is filled to approximately 50% of its normal maximum volume with relatively small expanded polystyrene beads. In one embodiment the pad is formed with intersecting disconnectable straps for restraining an infant in a generally reclined position on the pad. The pad may be converted for use as a carrying bag or container by forming a cavity or receptacle in one end of the cover by displacing the flowable polystyrene beads and utilizing one of the straps as a carrying strap for the bag, thereby providing a protective insulated carrier for various articles. One embodiment of the pad includes a segmented fabric cover forming a plurality of pockets for receiving individual pads or cushions whereby the pad may be utilized as a lounging mattress, swimming pool float, chair, or bench seat. Each of the individual cushions may be removed from the segmented cover for distribution and use in supporting various parts of the human body.
Inventors
- 👤 Margaret A. Alivizatos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:22
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/08; A47C; A47C27/00; A47C27/08; A47C27/086; A47C27/12; A47D15/00; A47D15/001; A47D15/005; A47D15/008
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
180 words
A convertible support pad useful at least as a mattress or lounging support comprising: a plurality of cushions comprising flexible drainable fabric top and bottom panels of generally rectangular configuration which are each closed to form an enclosed space, said space being at least partially filled with a flowable expanded foam bead fill material for conforming to a body or limb supported by said cushions and for distributing support forces therein, and a segmented flexible drainable fabric cover forming a plurality of side by side pockets for receiving said cushions, respectively, said pockets being formed between laterally extending hinge lines formed in said segmented cover by securing opposed panels of said segmented cover to each other along said hinge lines, and means for inserting and removing cushions comprising marginal edges of the cover material that forms one of said opposed panels, said means extending along said one opposed panel, said marginal edges being secured together with the other opposed panel at the hinge lines, said marginal edges being separable for insertion and removal of respective cushions from their respective pockets.
Claim 2
Dependent Claim
180 words
A convertible support pad useful at least as a mattress or lounging support comprising: a plurality of cushions comprising flexible drainable fabric top and bottom panels of generally rectangular configuration which are each closed to form an enclosed space, said space being at least partially filled with a flowable expanded foam bead fill material for conforming to a body or limb supported by said cushions and for distributing support forces therein, and a segmented flexible drainable fabric cover forming a plurality of side by side pockets for receiving said cushions, respectively, said pockets being formed between laterally extending hinge lines formed in said segmented cover by securing opposed panels of said segmented cover to each other along said hinge lines, and means for inserting and removing cushions comprising marginal edges of the cover material that forms one of said opposed panels, said means extending along said one opposed panel, said marginal edges being secured together with the other opposed panel at the hinge lines, said marginal edges being separable for insertion and removal of respective cushions from their respective pockets.
Claim 3
Dependent Claim
26 words
The pad set forth in claim 1 wherein: said spaces in said cushions are filled to about 50% of their maximum volume with said fill material.
Claim 4
Dependent Claim
33 words
The pad set forth in claim 2 wherein: said fill material comprises generally spherical beads formed of expanded polystyrene plastic having a diameter in the range of about 0.062 inches to 0.88 inches.
Claim 5
Dependent Claim
65 words
The pad set forth in claim 2 having sufficient buoyancy to float a person of ordinary weight further comprising a segmented cover with four said pockets sized to accomodate respective cushions of substantially equal size having a length of about 24 to 28 inches, a width of about 16 to 18 inches and an average thickness at the center of about 3 to 4 inches.
Claim 6
Dependent Claim
60 words
The pad set forth in claim 1 wherein: said segmented cover includes at least four pockets for receiving said cushions, said cushions being filled with said fill material to the extent whereby said segmented cover may be folded along said hinge lines to provide for stacking at least two of said cushions substantially directly one on top of the other.
Claim 7
Dependent Claim
68 words
The pad set forth in claim 1 wherein: said segmented cover includes at least four generally equal sized pockets for receiving said cushions, said cushions being filled with said fill material to an extent sufficient to provide body support while allowing said segmented cover to be folded along said lateral hinge lines, to form a hassock by stacking adjacent cushion segments substantially directly on top of each other.
Claim 8
Dependent Claim
107 words
The pad set forth in claim 1 wherein: said segmented cover includes at least three generally equal sized adjacent cushion segments, and at least one additional cushion segment adjacent one of said three segments, each segment having a respective cushion, said cushions being filled with said fill material to an extent sufficient to provide body support while allowing said three equal cushion segments to be folded along the lateral hinge lines to form the back of a chair by stacking said three equal sized adjacent segments substantially directly on top of each other, while said at least one additional cushion segment remains unstacked as a seating cushion.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-31 | 1991-03-02 | 1991-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-31 | 1995-03-02 | 1995-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-31 | 1999-03-02 | 1999-09-01 | $7700.00 | Window Closed / Lapsed |