US4031579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft seat cushion
Assignee: United States Department of the Air Force
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Filing: 1975-12-19
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Granted: 1977-06-28
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Expires: 1995-12-19
Abstract
Abstract An aircraft crew seat cushion having a top cover of high porosity mositure absorbent material over a ventilation layer with a cushioning layer beneath the ventilation layer. The cushioning layer is secured to a shock absorbent layer with an adhesive. The back and sides of the cushion are made of a flame resistant material and together with the top form a cover for the ventilation layer, the cushioning layer and shock absorbent layer.
Inventors
- 👤 Thomas A. Larned
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:55
CPC Classifications
B; B64; B64D; B64D11/00; B64D11/06; B64D11/0647; A; A47; A47C; A47C7/00; A47C7/62; A47C7/72; A47C7/74; A47C7/742; A47C7/746; B64D11/0619; Y; Y10; Y10S; Y10S297/00; Y10S297/01; Y10S297/05; Y10S5/00; Y10S5/948; Y10S5/954
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
73 words
A cushion adapted for use in an aircraft seat used by crewmen, comprising: a close cell plastic layer of shock absorbent material; an elastic flow cushioning layer positioned over the shock absorbent layer; a flame resistant cover surrounding the shock absorbent layer and the cushioning layer; a ventilation layer positioned between the cushioning layer and the cover; the side of said cover adjacent the ventilation material having high porosity and being moisture absorbent.
Claim 2
Dependent Claim
73 words
A cushion adapted for use in an aircraft seat used by crewmen, comprising: a close cell plastic layer of shock absorbent material; an elastic flow cushioning layer positioned over the shock absorbent layer; a flame resistant cover surrounding the shock absorbent layer and the cushioning layer; a ventilation layer positioned between the cushioning layer and the cover; the side of said cover adjacent the ventilation material having high porosity and being moisture absorbent.
Claim 3
Dependent Claim
21 words
The device as recited in claim 1 wherein the cushioning layer is secured to the shock absorbent layer with an adhesive.
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) | 1980-06-27 | 1980-12-27 | 1981-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-27 | 1984-12-27 | 1985-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-27 | 1988-12-27 | 1989-06-28 | $7700.00 | Window Closed / Lapsed |