US3371359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress suspension system
Assignee: Artnell Co
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Filing: 1966-09-22
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Granted: 1968-03-05
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Expires: 1986-09-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Dome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:22
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/32; B60N2/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A MATTRESS SUSPENSION SYSTEM AND THE LIKE COMPRISING A LOWER FRAME, AN UPPER FRAME ADAPTED TO RECEIVE AND SUPPORT A MATTRESS OR THE LIKE, AT LEAST TWO FLUID SUSPENSION UNITS OPERATIVELY CONNECTED BETWEEN SAID LOWER AND UPPER FRAMES FOR VERTICALLY CONTROLLING THE POSITION OF THE LATTER RELATIVE TO THE FORMER, EACH OF SAID FLUID SUSPENSION UNITS INCLUDING AN AIR SPRING, VALVE MEANS CARRIED BY SAID LOWER FRAME FOR EACH SUSPENSION UNIT CONTROLLING THE FLUID PRESSURE WITHIN SAID AIR SPRINGS, AND SINGLE CONTROL MEANS ACCESSIBLE TO A PERSON RECLINING ON SAID MATTRESS FOR ACTUATING SAID VALVE MEANS SIMULTANEOUSLY TO AUTOMATICALLY VERTICALLY ADJUST SAID UPPER FRAME DEPENDING UPON THE WEIGHT OF THE PERSON THEREBY TO PROVIDE CONTROLLED, LEVEL MOVEMENT OF SAID UPPER FRAME RELATIVE TO SAID LOWER FRAME.
Claim 2
Dependent Claim
126 words
A MATTRESS SUSPENSION SYSTEM AND THE LIKE COMPRISING A LOWER FRAME, AN UPPER FRAME ADAPTED TO RECEIVE AND SUPPORT A MATTRESS OR THE LIKE, AT LEAST TWO FLUID SUSPENSION UNITS OPERATIVELY CONNECTED BETWEEN SAID LOWER AND UPPER FRAMES FOR VERTICALLY CONTROLLING THE POSITION OF THE LATTER RELATIVE TO THE FORMER, EACH OF SAID FLUID SUSPENSION UNITS INCLUDING AN AIR SPRING, VALVE MEANS CARRIED BY SAID LOWER FRAME FOR EACH SUSPENSION UNIT CONTROLLING THE FLUID PRESSURE WITHIN SAID AIR SPRINGS, AND SINGLE CONTROL MEANS ACCESSIBLE TO A PERSON RECLINING ON SAID MATTRESS FOR ACTUATING SAID VALVE MEANS SIMULTANEOUSLY TO AUTOMATICALLY VERTICALLY ADJUST SAID UPPER FRAME DEPENDING UPON THE WEIGHT OF THE PERSON THEREBY TO PROVIDE CONTROLLED, LEVEL MOVEMENT OF SAID UPPER FRAME RELATIVE TO SAID LOWER FRAME.
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |