US4430764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waveless waterbed with buoyant honeycomb core
Assignee: Individual
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Filing: 1981-10-19
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Granted: 1984-02-14
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Expires: 2001-10-19
Abstract
Abstract A waterbed mattress includes a buoyant honeycomb core structure attached only to the bottom wall of the mattress. The core structure includes a plurality of openings and a plurality of buoyant members integrally formed with the core and containing buoyant, flotation-promoting means sealed inside them.
Inventors
- 👤 Alberto L. Finkelstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:23
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/087; A47C27/085; A47C27/088
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
103 words
A waterbed mattress comprising a top wall, a bottom wall, and four side walls, and including a buoyant honeycomb core means attached only to the bottom wall of the mattress and including a plurality of buoyant means between the openings in, and integrally formed with, said honeycomb core means, said honeycomb core comprising a plurality of sheets joined to one another at spaced intervals along lines extending laterally across said sheets and comprising a plurality of open areas between said lines and a plurality of sealed tubular areas between said open areas, said buoyant means comprising flotation-promoting means sealed inside said tubular areas.
Claim 2
Dependent Claim
103 words
A waterbed mattress comprising a top wall, a bottom wall, and four side walls, and including a buoyant honeycomb core means attached only to the bottom wall of the mattress and including a plurality of buoyant means between the openings in, and integrally formed with, said honeycomb core means, said honeycomb core comprising a plurality of sheets joined to one another at spaced intervals along lines extending laterally across said sheets and comprising a plurality of open areas between said lines and a plurality of sealed tubular areas between said open areas, said buoyant means comprising flotation-promoting means sealed inside said tubular areas.
Claim 3
Dependent Claim
84 words
A honeycomb core means for waterbed mattresses comprising a plurality of buoyant means between the openings in the honeycomb core structure, said buoyant means being integrally formed with the honeycomb core and having flotation-promoting means sealed inside tubular portions of the core, said core comprising a plurality of sheets joined to one another at spaced intervals along lines extending laterally across said sheets, and comprising a plurality of open areas between said lines and a plurality of said tubular portions between said open areas.
Claim 4
Dependent Claim
84 words
A honeycomb core means for waterbed mattresses comprising a plurality of buoyant means between the openings in the honeycomb core structure, said buoyant means being integrally formed with the honeycomb core and having flotation-promoting means sealed inside tubular portions of the core, said core comprising a plurality of sheets joined to one another at spaced intervals along lines extending laterally across said sheets, and comprising a plurality of open areas between said lines and a plurality of said tubular portions between said open areas.
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) | 1987-02-13 | 1987-08-15 | 1988-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-13 | 1991-08-15 | 1992-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-13 | 1995-08-15 | 1996-02-14 | $7700.00 | Window Closed / Lapsed |