US3842451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress support assembly
Assignee: McCormick Lumber Co Inc
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Filing: 1973-07-26
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Granted: 1974-10-22
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Expires: 1993-07-26
Abstract
Abstract A pair of side rails and a pair of end rails and four corner posts, are assembled into a frame. The side rails are rabbeted at their upper inner edges and receive a plurality of parallel straight transverse slats, and a pair of diagonal slats, with a center rail supported by and helping space the slats at the center and having its ends received in slots in the end rails. The whole assembly is nailed, spiked or stapled together. Springs are secured to the slats, tied to a wire grid at their tops, covered with padding and enclosed with a fabric hood.
Inventors
- 👤 R Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:31
CPC Classifications
A; A47; A47C; A47C19/00; A47C19/02; A47C19/021; A47C19/025
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
127 words
In a mattress support assembly, the combination comprising: a pair of horizontally extending end rails parallel to each other, a pair of horizontally extending side rails parallel to each other, and a plurality of corner blocks, each corner block having a pair of vertically extending grooves therein, one of said grooves of each of said blocks receiving and affixed to the end of a side rail and the other of said grooves of each of said blocks receiving and affixed to the end of an end rail, whereby a complete rectangular frame is formed by the pairs of rails and plurality of corner blocks, and a plurality of spaced horizontally extending slats extending between said side rails at the tops of said side rails and affixed thereto.
Claim 2
Dependent Claim
127 words
In a mattress support assembly, the combination comprising: a pair of horizontally extending end rails parallel to each other, a pair of horizontally extending side rails parallel to each other, and a plurality of corner blocks, each corner block having a pair of vertically extending grooves therein, one of said grooves of each of said blocks receiving and affixed to the end of a side rail and the other of said grooves of each of said blocks receiving and affixed to the end of an end rail, whereby a complete rectangular frame is formed by the pairs of rails and plurality of corner blocks, and a plurality of spaced horizontally extending slats extending between said side rails at the tops of said side rails and affixed thereto.
Claim 3
Dependent Claim
44 words
The combination of claim 1 wherein: said side rails have generally rectangular cross section more than two times as high as they are wide in cross section and are rabbeted, and said slats have ends thereof received in the rabbets on said side rails.
Claim 4
Dependent Claim
24 words
The combination of claim 1 wherein: there are four of said corner blocks, all of which are identical, and said side rails are identical.
Claim 5
Dependent Claim
31 words
The combination of claim 3 wherein: each of said corner blocks has a semi-cylindrical convex outer surface extending from one of said grooves therein to the other of said grooves therein.
Claim 6
Dependent Claim
45 words
The combination of claim 4 and further comprising: an intermediate rail spaced between said side rails and having its ends received in grooves in said end rails and affixed to said end rails at said grooves therein, said slats being fastened to said intermediate rail.
Claim 7
Dependent Claim
28 words
The combination of claim 5 wherein: said side rails are rabbeted and said slats have ends thereof received in the rabbets in said side rails and fastened thereto.
Claim 8
Dependent Claim
35 words
The combination of claim 6 wherein: said slats include a plurality of slats parallel to said end rails, and two slats disposed diagonally between corner blocks and the parallel slats nearest the respective corner blocks.
Claim 9
Dependent Claim
27 words
The combination of claim 7 wherein: said rails, blocks and slats are wood, and are fastened together with metal fasteners installed from the outside of the combination.
Claim 10
Dependent Claim
24 words
The combination of claim 7 wherein: said slats include a pair of end slats adjacent said end rails and resting atop said corner blocks.
Claim 11
Dependent Claim
32 words
The combination of claim 9 whereiN: the tops of said corner blocks are flush with the tops of the rabbets in said side rails, whereby all of said slats may be co-planar.
Claim 12
Dependent Claim
16 words
The combination of claim 1 and further comprising: padding means and a hood covering said slats.
Claim 13
Dependent Claim
25 words
The combination of claim 11 and further comprising: a plurality of coil springs secured to said slats and disposed between said slats and said padding.
Claim 14
Dependent Claim
22 words
The combination of claim 12 and further comprising: a wire locating grid secured atop said coil springs and immediately under said padding.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |