Patent US4754508A successfully refreshed from Google Patents.
US4754508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid bed
Assignee: Individual
•
Filing: 1987-12-14
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Granted: 1988-07-05
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Expires: 2007-12-14
Abstract
Abstract An invalid bed has a bedstead, a mattress support mounted on the bedstead, a mattress placed on the mattress support, a bedpan movable between a horizontal position and a tilted position, a rotary table pivoted to the bedstead, a number of containers mounted on the rotary table, a rotation device for rotating the rotary table, and a sealing device for sealing the opening of the container.
Inventors
- 👤 Hidetsugu Nishiguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:49
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
An invalid bed comprising: a bedstead; a mattress support mounted on said bedstead; a mattress placed on said mattress support and having a toilet opening; a bedpan with a discharge port, which is movable between a retreated position and a use position immediately below said toilet opening; a rotary table pivotally mounted on said bedstead; a plurality of containers placed on said rotary table and having an upper opening; a rotation device for rotating said rotary table so that one of said containers is disposed immediately below said discharge port; and a sealing device with a pair of pressure plates for sealing said upper opening of said container in which excretions are contained.
Claim 2
Dependent Claim
113 words
An invalid bed comprising: a bedstead; a mattress support mounted on said bedstead; a mattress placed on said mattress support and having a toilet opening; a bedpan with a discharge port, which is movable between a retreated position and a use position immediately below said toilet opening; a rotary table pivotally mounted on said bedstead; a plurality of containers placed on said rotary table and having an upper opening; a rotation device for rotating said rotary table so that one of said containers is disposed immediately below said discharge port; and a sealing device with a pair of pressure plates for sealing said upper opening of said container in which excretions are contained.
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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) | 1991-07-05 | 1992-01-04 | 1992-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-05 | 1996-01-04 | 1996-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-05 | 2000-01-04 | 2000-07-05 | $7700.00 | Window Closed / Lapsed |