US3681797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover materials for body-supporting articles
Assignee: Individual
•
Filing: 1970-06-29
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Granted: 1972-08-08
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Expires: 1990-06-29
Abstract
Abstract A cover material for the body-supporting portion of a chair, couch, or the like is formed with a number of internal ducts connected either to a source of pressurized air or to a source of vacuum. Apertures extend between the surface of the cover and the ducts for the intake and discharge of air therefrom to cool the body of a person sitting in the chair.
Inventors
- 👤 Jacob Messner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:30
CPC Classifications
A; A47; A47C; A47C21/00; A47C21/04; A47C21/042; A47C21/046; A47C27/00; A47C27/14; A47C27/142; A47C27/144; A47C27/146; A47C27/148; A47C27/15; Y; Y10; Y10S; Y10S5/00; Y10S5/91; Y10S5/944
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
69 words
A cover material for use with a body-supporting article, said material having groups of ducts for the flow of gas, which ducts communicate with apertures in a surface of the material, supply passages extending transversely to said ducts and each supply passage communicating with all of the ducts of a respective one of said group of ducts, and said supply passages being arranged for communication with gas-flow generating means.
Claim 2
Dependent Claim
69 words
A cover material for use with a body-supporting article, said material having groups of ducts for the flow of gas, which ducts communicate with apertures in a surface of the material, supply passages extending transversely to said ducts and each supply passage communicating with all of the ducts of a respective one of said group of ducts, and said supply passages being arranged for communication with gas-flow generating means.
Claim 3
Dependent Claim
23 words
A material according to claim 1 further comprising projections extending from the said surface of the material, said apertures extending through said projections.
Claim 4
Dependent Claim
19 words
A material according to claim 2 further comprising a woven fabric interposed in the space defined between the projections.
Claim 5
Dependent Claim
31 words
A material according to claim 1 further comprising means defining a plurality of chambers on the said surface of said material, some of said apertures being in communication with said chambers.
Claim 6
Dependent Claim
36 words
A material according to claim 4 wherein the said means defining a plurality of chambers comprises a layer of elastic material, said layer of elastic material defining, with the said surface, a plurality of sealed chambers.
Claim 7
Dependent Claim
15 words
A material according to claim 1 wherein said supply passages are formed within said material.
Claim 8
Dependent Claim
27 words
A material according to claim 1 wherein the said means defining said supply Passages, comprises a surface of said material, and a layer of a resilient material.
Claim 9
Dependent Claim
12 words
A material according to claim 5 wherein said elastic material is porous.
Claim 10
Dependent Claim
14 words
A material according to claim 7 wherein said layer of resilient material is porous.
Claim 11
Dependent Claim
21 words
A material according to claim 1, said material comprising a flat sheet having ribs upstanding therefrom, and a flat covering sheet.
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |