US3258791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress pad
Assignee: Individual
•
Filing: 1964-04-06
•
Granted: 1966-07-05
•
Expires: 1984-04-06
Abstract
No abstract record available.
Inventors
- 👤 Sidney J Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:06
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/14; A47C27/15; A47C27/142; A47C27/146; A61; A61G; A61G7/00; A61G7/05; A61G7/057; A61G7/05707; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504; Y10T428/24512
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A MATTRESS PAD COMPRISING A CELLULAR SPONGIFOAM MATERIAL HAVING AN INSTRUMENTAL SURFACE CONTAINING FROM ABOUT 20 TO ABOUT 150 UNDULATING PROTUBERANCES PER SQUARE FOOT OF SUBSTANTIALLY UNIFORM HEIGHT SEPARATED RESPECTIVELY BY RESPETIVE UNDULATING CAVITIES OF SUSBTANTIALLY UNIFORM DEPTH, THE WALLS DEFINING SAID UNDULATING CAVITIES HAVING SUBSTANTIALLY THE SHAPE OF SAID UNDULATING PROTUBERANCES, SAID UNDULATING PROTUBERANCES BEING ADAPTED TO SUPPORT AN OUTER SHEET THERON, A PLURALITY OF RIDGES INTERCONNECTING SAID CAVITIES, SAID PROTUBERANCES BEING BRIDGED BY SAID RIDGES, THE APEXES OF SAID RIDGES BEING SUBSTANTIALLY ONE HALF THE DISTANCE BETWEEN THE PEAKS OF SAID PROTUBERANCES AND THE NADIRS OF SAID CAVITIES WHEREBY SAID RIDGES PROVIDE A RESISTANCE AGAINST EXCESSIVE COMPRESSION AND SAID PAD RETAINS AT LEAST PARTIAL CAVITATION UNDER ORDINARY WEIGHT.
Claim 2
Dependent Claim
120 words
A MATTRESS PAD COMPRISING A CELLULAR SPONGIFOAM MATERIAL HAVING AN INSTRUMENTAL SURFACE CONTAINING FROM ABOUT 20 TO ABOUT 150 UNDULATING PROTUBERANCES PER SQUARE FOOT OF SUBSTANTIALLY UNIFORM HEIGHT SEPARATED RESPECTIVELY BY RESPETIVE UNDULATING CAVITIES OF SUSBTANTIALLY UNIFORM DEPTH, THE WALLS DEFINING SAID UNDULATING CAVITIES HAVING SUBSTANTIALLY THE SHAPE OF SAID UNDULATING PROTUBERANCES, SAID UNDULATING PROTUBERANCES BEING ADAPTED TO SUPPORT AN OUTER SHEET THERON, A PLURALITY OF RIDGES INTERCONNECTING SAID CAVITIES, SAID PROTUBERANCES BEING BRIDGED BY SAID RIDGES, THE APEXES OF SAID RIDGES BEING SUBSTANTIALLY ONE HALF THE DISTANCE BETWEEN THE PEAKS OF SAID PROTUBERANCES AND THE NADIRS OF SAID CAVITIES WHEREBY SAID RIDGES PROVIDE A RESISTANCE AGAINST EXCESSIVE COMPRESSION AND SAID PAD RETAINS AT LEAST PARTIAL CAVITATION UNDER ORDINARY WEIGHT.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |