US4893367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of separately adjustable pillows
Assignee: Individual
•
Filing: 1989-01-17
•
Granted: 1990-01-16
•
Expires: 2009-01-17
Abstract
Abstract A system of separately adjustable pillows is characterized by a plurality of separately inflatable and deflatable containers which may be emptied or filled from a connected source with a pressurized fluid, via a manifold which is provided with valves for each container.
Inventors
- 👤 Bent Heimreid
- 👤 Finn Risung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:32
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/10; A61G13/12; A61G13/1205; A61G13/1225; A61G13/1245; A61G13/126; A61G13/1265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A system of separately adjustable pillows, comprising: a plurality of inflatable pillows, each of which is subject to being moved about in relation to a person's body substantially independently of all others of said pillows; each pillow being subject to being inflated with a fluid to a desired extent, having, when less inflated, a smaller volume and a softer feel and having, when more inflated, a larger volume and a harder feel; and a means for inflating each pillow, comprising: a manifold for receiving a supply of pressurized fluid; a valve for each pillow, said valves being operatively connected with the manifold for receiving pressurized fluid therefrom; and an inflation tube connecting each valve with a respective pillow, for selectively supplying said pillows with pressurized fluid under control of said valves, at least some of the inflation tubes being of a sufficient length to permit the positioning of pillows in supporting relation to a person's head and feet.
Claim 2
Independent Claim
158 words
A system of separately adjustable pillows, comprising: a plurality of inflatable pillows, each of which is subject to being moved about in relation to a person's body substantially independently of all others of said pillows; each pillow being subject to being inflated with a fluid to a desired extent, having, when less inflated, a smaller volume and a softer feel and having, when more inflated, a larger volume and a harder feel; and a means for inflating each pillow, comprising: a manifold for receiving a supply of pressurized fluid; a valve for each pillow, said valves being operatively connected with the manifold for receiving pressurized fluid therefrom; and an inflation tube connecting each valve with a respective pillow, for selectively supplying said pillows with pressurized fluid under control of said valves, at least some of the inflation tubes being of a sufficient length to permit the positioning of pillows in supporting relation to a person's head and feet.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-15 | 1993-07-17 | 1994-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-15 | 1997-07-17 | 1998-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-15 | 2001-07-17 | 2002-01-16 | $7700.00 | Window Closed / Lapsed |