Patent US3967331A successfully refreshed from Google Patents.
US3967331A
Expired / Lapsed
US
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Springless bed spring
Assignee: De Lamar Bed Spring Corp
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Filing: 1975-04-17
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Granted: 1976-07-06
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Expires: 1995-04-17
Abstract
Abstract A springless box spring in which the flexural support is provided partly by a wooden frame assembly, partly by a wire mesh panel which is disposed upon and secured to the wooden frame assembly, and partially by a relatively thick insulating pad which rests upon the wire mesh panel.
Inventors
- 👤 Arthur R. Glassman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:44
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/30; Y; Y10; Y10S; Y10S5/00; Y10S5/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
In a box spring, the sub-assembly comprising: a rigid upper rectangular wooden frame assembly having parallel side pieces and a plurality of slats disposed in spaced parallel relationship upon said side pieces, the ends of said slats being secured to respective ones of said side pieces; a lower rectangular wooden frame; a wire mesh panel which is substantially coextensive with said upper wooden frame, being disposed upon said slats, said wire mesh panel including spaced parallel longitudinal wires and spaced parallel transverse wires, the spacing between adjacent ones of said parallel wires being less than the spacing between adjacent ones of said slats; a plurality of fasteners in spaced locations on said wire mesh panel and securing corresponding wire portions thereof to the respectively adjacent upper surface portions of said wooden slats; whereby a relatively thick insulating pad may be placed upon said wire mesh panel for providing a box spring assembly; and and a plurality of vertically extending wooden blocks attached to the underside of said upper frame and extending downwardly therefrom to said lower frame, whereby said upper frame is rigidly supported in elevated relationship to said lower frame.
Claim 2
Dependent Claim
191 words
In a box spring, the sub-assembly comprising: a rigid upper rectangular wooden frame assembly having parallel side pieces and a plurality of slats disposed in spaced parallel relationship upon said side pieces, the ends of said slats being secured to respective ones of said side pieces; a lower rectangular wooden frame; a wire mesh panel which is substantially coextensive with said upper wooden frame, being disposed upon said slats, said wire mesh panel including spaced parallel longitudinal wires and spaced parallel transverse wires, the spacing between adjacent ones of said parallel wires being less than the spacing between adjacent ones of said slats; a plurality of fasteners in spaced locations on said wire mesh panel and securing corresponding wire portions thereof to the respectively adjacent upper surface portions of said wooden slats; whereby a relatively thick insulating pad may be placed upon said wire mesh panel for providing a box spring assembly; and and a plurality of vertically extending wooden blocks attached to the underside of said upper frame and extending downwardly therefrom to said lower frame, whereby said upper frame is rigidly supported in elevated relationship to said lower frame.
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) | 1979-07-06 | 1980-01-05 | 1980-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-06 | 1984-01-05 | 1984-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-06 | 1988-01-05 | 1988-07-06 | $7700.00 | Window Closed / Lapsed |