Patent US1867491A successfully refreshed from Google Patents.
Patent US3664623A successfully refreshed from Google Patents.
US3664623A
Expired / Lapsed
US
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Base structure for furniture
Assignee: Moderna Butiksinredningar AB
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Filing: 1970-07-09
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Granted: 1972-05-23
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Expires: 1990-07-09
Abstract
Abstract THERE IS PROVIDED A NEW TYPE OF SUPPORTING BASE STRUCTURE TO BE USED AS, FOR EXAMPLE, A FURNITURE PEDESTAL OR FOOT, THE STRUCTURE FORMING A COMPLETELY "SCREW JOINT FREE" ASSEMBLY COMPRISING RADICAL SUPPORT MEMBERS CONNECTED AND HELD TOGETHER AT THEIR INNER ENDS BY, FIRST, A LOCKING RING ENGAGING IN AND RECEIVED IN RECESSES ON THE UNDERNEATH OF THE MEMBERS AND, SECONDLY, A HUB MEMBER INTRODUCED THROUGH THE CENTER OF THE LOCKING RING BETWEEN THE ENDS OF THE SUPPORTING MEMBERS, ENGAGING SAID ENDS, THE ARRANGEMENT BEING SUCH THAT WHEN THE HUB MEMBER IS PLACED UNDER LOAD, A STRONG ASSEMBLY IS FORMED WHEREIN ALL MEMBERS ARE RIGIDLY INTERLOCKED BY WEDGE ACITON.
Inventors
- 👤 Sigvard Svenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:16
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/002; A47C7/004; A47B; A47B13/00; A47B13/02; A47B13/023; A47B2013/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |