US3742531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water bed
Assignee: Individual
•
Filing: 1971-05-17
•
Granted: 1973-07-03
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Expires: 1991-05-17
Abstract
Abstract A spongy base, a plastic frame thereabove, a water mattress above the plastic frame, and a waterproof covering surrounding the base, frame, and mattress.
Inventors
- 👤 Marjory Alsbury
- 👤 Merwyn Alsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:59
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/085; A47C27/14; A47C27/142; A47C27/144; A47C27/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A water bed, comprising spongy support means, flexible frame means resting on the top surface of said support means and having a recess in the top surface thereof, a flexible water holding means having the top surface thereof approximately flush with the uppermost portion of the top surface of said frame means and having the bottom surface thereof in a shape matable with the shape formed by said recess thereby preventing water from spilling onto the surface upon which said support means rests should said water holding means begin to leak due to the water holding capacity of the recess, a second flexible water holding means removaBly surrounding said support means, said frame means, and said water holding means for preventing leaking water somehow spilling over the uppermost portion of the top surface of said frame means from leaking onto the surface upon which said support means rests, said support means including a plurality of uniformly spaced vertical holes therein, said support means having a water holding capacity at least equal to that of said water holding means.
Claim 2
Dependent Claim
178 words
A water bed, comprising spongy support means, flexible frame means resting on the top surface of said support means and having a recess in the top surface thereof, a flexible water holding means having the top surface thereof approximately flush with the uppermost portion of the top surface of said frame means and having the bottom surface thereof in a shape matable with the shape formed by said recess thereby preventing water from spilling onto the surface upon which said support means rests should said water holding means begin to leak due to the water holding capacity of the recess, a second flexible water holding means removaBly surrounding said support means, said frame means, and said water holding means for preventing leaking water somehow spilling over the uppermost portion of the top surface of said frame means from leaking onto the surface upon which said support means rests, said support means including a plurality of uniformly spaced vertical holes therein, said support means having a water holding capacity at least equal to that of said water holding means.
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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |