US3299447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension system for mattresses and the like
Assignee: Artnell Co
•
Filing: 1965-02-09
•
Granted: 1967-01-24
•
Expires: 1985-02-09
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Dome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:15
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/047; Y; Y10; Y10S; Y10S2/00; Y10S2/912; Y10S2/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SUSPENSION SYSTEM FOR MATTRESSES AND THE LIKE, COMPRISING A GENERALLY RECTANGULAR BOTTOM FRAME ASSEMBLY, A GENERALLY RECTANGULAR TOP FRAME ASSEMBLY ADAPTED TO RECEIVE AND SUPPORT A MATTRESS OR THE LIKE, A PLURALITY OF EXPANSIBLE FLUID SPRING MEMBERS STRUCTURALLY INTERPOSED BETWEEN AND HAVING UPPER AND LOWER END PORTIONS CONNECTED RESPECTIVELY TO SAID TOP AND BOTTOM FRAME ASSEMBLIES RELATIVELY ADJACENT EACH CORNER THEREOF, MEANS FOR VARIABLY CONTROLLING THE FLUID PRESSURE SIMULTANEOUSLY WITHIN SAID PLURALITY OF FLUID SPRING MEMBERS TO CONTROL THE POSITION OF SAID TOP FRAME ASSEMBLY, MEANS FOR LIMITING THE VERTICAL UPWARD AND DOWNWARD MOVEMENT OF SAID TOP FRAME ASSEMBLY RELATIVE TO SAID BOTTOM FRAME ASSEMBLY, AND SHOCK ABSORBER MEANS OPERATIVELY CONNECTED TO SAID TOP AND BOTTOM FRAME ASSEMBLIES AT EACH END THEREOF TO DAMPEN THE MOVEMENT OF SAID TOP FRAME ASSEMBLY.
Claim 2
Dependent Claim
132 words
A SUSPENSION SYSTEM FOR MATTRESSES AND THE LIKE, COMPRISING A GENERALLY RECTANGULAR BOTTOM FRAME ASSEMBLY, A GENERALLY RECTANGULAR TOP FRAME ASSEMBLY ADAPTED TO RECEIVE AND SUPPORT A MATTRESS OR THE LIKE, A PLURALITY OF EXPANSIBLE FLUID SPRING MEMBERS STRUCTURALLY INTERPOSED BETWEEN AND HAVING UPPER AND LOWER END PORTIONS CONNECTED RESPECTIVELY TO SAID TOP AND BOTTOM FRAME ASSEMBLIES RELATIVELY ADJACENT EACH CORNER THEREOF, MEANS FOR VARIABLY CONTROLLING THE FLUID PRESSURE SIMULTANEOUSLY WITHIN SAID PLURALITY OF FLUID SPRING MEMBERS TO CONTROL THE POSITION OF SAID TOP FRAME ASSEMBLY, MEANS FOR LIMITING THE VERTICAL UPWARD AND DOWNWARD MOVEMENT OF SAID TOP FRAME ASSEMBLY RELATIVE TO SAID BOTTOM FRAME ASSEMBLY, AND SHOCK ABSORBER MEANS OPERATIVELY CONNECTED TO SAID TOP AND BOTTOM FRAME ASSEMBLIES AT EACH END THEREOF TO DAMPEN THE MOVEMENT OF SAID TOP FRAME ASSEMBLY.
References Cited (Backward Citations)
US1664129A
Cited
US2049551A
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US2485199A
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US2769182A
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US2897520A
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US3067437A
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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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |