Patent US3667749A successfully refreshed from Google Patents.
US3667749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring deck for furniture
Assignee: Flex O Lators Inc
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Filing: 1970-07-23
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Granted: 1972-06-06
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Expires: 1990-07-23
Abstract
Abstract A SPRING DECK FOR FURNITURE HAVING OPEN RIGID CUSHION FRAMES, SAID DECK CONSISTING OF A FLEXIBLE SHEET OF MATERIAL NON-ELASTIC IN ITS OWN PLANE, AN ELONGATED MOUNTING MEMBER EXTENDING GENERALLY PARALLEL TO AND SPACED APART FROM ONE EDGE OF SAID SHEET, AND ELASTICALLY EXTENSIBLE MEMBERS EXTENDING BETWEEN AND INTERCONNECTING SAID MOUNTING MEMBER WITH THE ADJACENT EDGE OF SAID SHEET, SAID MOUNTING MEMBER AND THE DISTAL EDGE OF SAID SHEET BEING ADAPTED TO BE FIRMLY AFFIXED TO OPPOSITE SIDES OF A FURNITURE FRAME.
Inventors
- 👤 John G Platt
- 👤 Robert O Isaacs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:20
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/32
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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |