US3286285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air mattress and hammock combination
Assignee: Individual
•
Filing: 1964-11-23
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Granted: 1966-11-22
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Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Jr James I Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:43
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/081; A47C17/00; A47C17/64; A47C17/66; A47C27/087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A STRESS-TRANSMITTING AND MINIMIZING TOP-SURFACELOADING HAMMOCK-TYPE MATTRESS STRUCTURE, COMPRISING: A LONGITUDINAL UPPER SUBSTANTIALLY HORIZONTAL PANEL MEMBER HAVING A TOP LOAD-RECEIVING SURFACE ADAPTED TO EFFECTIVELY RECEIVE AND CARRY A LOAD THEREABOVE; A LONGITUDINAL LOWER TENSION PANEL MEMBER SIMILAR TO SAID LONGITUDINAL UPPER PANEL MEMBER BUT LONGER THAN SAME AND HAVING AT OPPOSITE LONGITUDINAL ENDS THEREOF TENSION ATTACHMENT PORTIONS THEREOF COOPERABLE FOR ATTACHMENT TO TWO CORRESPONDING LONGITUDINALLY SPACED AUXILIARY, SUBSTANTIALLY HORIZONTALLY DIRECTED AND SUBSTANTIALLY PARALLEL ELEVATED END SUPPORT BAR MEMBERS, WHICH ARE SO LONGITUDINALLY SPACED WITH RESPECT TO THE LENGTH OF SAID LOWER TENSION PANEL MEMBER AS TO CAUSE IT TO LIE IN A SUBSTANTIALLY CENTRALLY DOWNWARDLY LOOPED AND CURVED CONFIGURATION CLOSELY SIMULATING A CATENARY AS SEEN IN SIDE ELEVATION, AND WHICH HOLD SAID LOWER PANEL MEMBER ELEVATED ABOVE A SUPPORT TO MAINTAIN SAID CURVED CONFIGURATION; AND STRESS-TRANSFERRING COMPRESSION MEANS EFFECTIVELY POSITIONED BETWEEN SAID UPPER PANEL MEMBER AND LOWER TENSION PANEL MEMBER AND EFFECTIVELY COMPRESSIBLY COUPLING SAID UPPER PANEL MEMBER, AND ANY LOAD EFFECTIVELY CARRIED THEREABOVE, TO SAID LOWER TENSION PANEL MEMBER BY DIRECT DOWNWARD COMPRESSIVE STRESS TRANSFER.
Claim 2
Dependent Claim
176 words
A STRESS-TRANSMITTING AND MINIMIZING TOP-SURFACELOADING HAMMOCK-TYPE MATTRESS STRUCTURE, COMPRISING: A LONGITUDINAL UPPER SUBSTANTIALLY HORIZONTAL PANEL MEMBER HAVING A TOP LOAD-RECEIVING SURFACE ADAPTED TO EFFECTIVELY RECEIVE AND CARRY A LOAD THEREABOVE; A LONGITUDINAL LOWER TENSION PANEL MEMBER SIMILAR TO SAID LONGITUDINAL UPPER PANEL MEMBER BUT LONGER THAN SAME AND HAVING AT OPPOSITE LONGITUDINAL ENDS THEREOF TENSION ATTACHMENT PORTIONS THEREOF COOPERABLE FOR ATTACHMENT TO TWO CORRESPONDING LONGITUDINALLY SPACED AUXILIARY, SUBSTANTIALLY HORIZONTALLY DIRECTED AND SUBSTANTIALLY PARALLEL ELEVATED END SUPPORT BAR MEMBERS, WHICH ARE SO LONGITUDINALLY SPACED WITH RESPECT TO THE LENGTH OF SAID LOWER TENSION PANEL MEMBER AS TO CAUSE IT TO LIE IN A SUBSTANTIALLY CENTRALLY DOWNWARDLY LOOPED AND CURVED CONFIGURATION CLOSELY SIMULATING A CATENARY AS SEEN IN SIDE ELEVATION, AND WHICH HOLD SAID LOWER PANEL MEMBER ELEVATED ABOVE A SUPPORT TO MAINTAIN SAID CURVED CONFIGURATION; AND STRESS-TRANSFERRING COMPRESSION MEANS EFFECTIVELY POSITIONED BETWEEN SAID UPPER PANEL MEMBER AND LOWER TENSION PANEL MEMBER AND EFFECTIVELY COMPRESSIBLY COUPLING SAID UPPER PANEL MEMBER, AND ANY LOAD EFFECTIVELY CARRIED THEREABOVE, TO SAID LOWER TENSION PANEL MEMBER BY DIRECT DOWNWARD COMPRESSIVE STRESS TRANSFER.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |