US4035853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress construction for use in hospitals and the like
Assignee: Individual
•
Filing: 1976-03-09
•
Granted: 1977-07-19
•
Expires: 1996-03-09
Abstract
Abstract A mattress construction is provided which comprises a plurality of individual layers of a foamed material such as form rubber separated by intermediate separator layers of another material, and a base layer formed by an assembly of alternatively disposed slats and dowels. The slats and dowels extend transversely of the mattress construction and are connected to each other by suitable cording to form a flexible assembly. A bed pan plug is provided in one side of the mattress construction.
Inventors
- 👤 Fenton H. Platter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:28
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/15; A47C23/00; A47C23/06; A47C23/061; A47C27/16
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
127 words
A mattress construction for hospitals and the like comprising a plurality of separate layers of a foam material and a further layer comprising a plurality of transversely extending, alternately disposed flat members and rounded members, and means for joining said flat members and rounded members to form a flexible assembly, said flat members including a flat upper surface and said rounded members including a rounded upper surface, said flat members comprising slats and said rounded members comprising dowels, said construction including at least three separate layers of a foam material, said separate layers being separated by intermediate layers of reduced thickness, said further layer, in use, being located beneath said separate layers and being secured to the bottommost one of said three separate layers by an adhesive.
Claim 2
Dependent Claim
127 words
A mattress construction for hospitals and the like comprising a plurality of separate layers of a foam material and a further layer comprising a plurality of transversely extending, alternately disposed flat members and rounded members, and means for joining said flat members and rounded members to form a flexible assembly, said flat members including a flat upper surface and said rounded members including a rounded upper surface, said flat members comprising slats and said rounded members comprising dowels, said construction including at least three separate layers of a foam material, said separate layers being separated by intermediate layers of reduced thickness, said further layer, in use, being located beneath said separate layers and being secured to the bottommost one of said three separate layers by an adhesive.
Claim 3
Dependent Claim
22 words
A mattress construction as claimed in claim 1 wherein said further layer comprises, in use, the bottom layer of the mattress construction.
Claim 4
Dependent Claim
39 words
A mattress construction as claimed in claim 1 wherein said intermediate layers are joined to said layers of a foamed material by transverse, spaced lines of adhesive, the lines of adhesive joining adjacent layers being offset from one another.
Claim 5
Dependent Claim
14 words
A mattress construction as claimed in claim 1 further comprising a quilted cover layer.
Claim 6
Dependent Claim
30 words
A mattress construction as claimed in claim 1 wherein said mattress includes a recess for a bed pan at one side thereof and a plug for closing off said recess.
Claim 7
Dependent Claim
46 words
A mattress construction as claimed in claim 1 wherein said flexible assembly of slats and dowels terminate adjacent to, but spaced from, the edges of the mattress construction, said mattress construction further including strips located between the edges thereof and the extremities of said flexible assembly.
Claim 8
Dependent Claim
27 words
A mattress construction as claimed in claim 1 wherein said foamed layers are fabricated of foamed rubber and said intermediate layers are fabricated of a nylon material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |