Patent US3151853A successfully refreshed from Google Patents.
US3151853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge spring for upholstered furniture
Assignee: Flex O Lators Inc
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Filing: 1963-01-23
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Granted: 1964-10-06
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Expires: 1983-01-23
Abstract
No abstract record available.
Inventors
- 👤 William F Richardson
- 👤 Raymond L Mcquitty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:34
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN EDGE SPRING FOR UPHOLSTERED FURNITURE COMPRISING A TROUGH-SHAPED MEMBER OF GENERALLY V-SHAPED CROSSSECTIONAL CONTOUR HAVING DIVERGENT LEGS, AND BEING FORMED OF RESILIENT MATERIAL WHEREBY SAID LEGS MAY BE FLEXED YIELDABLY TOWARD EACH OTHER, SAID RESILIENT MATERIAL BEING FOLDED SUBSTANTIALLY DOUBLE ON ITSELF ALONG THE APEX OF SAID TROUGH SHAPE, ONE OF SAID LEGS BEING SUBSTANTIALLY PLANAR AND THE OTHER OF SAID LEGS BEING CONCAVELY CURVED AT THE SIDE THEREOF DISTAL FROM SAID FIRST LEG, SAID TROUGHSHAPED MEMBER COMPRISING: (A) A SERIES OF SPRING WIRES EACH FORMED TO THE CROSSSECTIONAL CONTOUR OF SAID MEMBER, SAID WIRES BEING DISPOSED IN PARALLEL, SPACED APART PLANES NORMAL TO THE LONGITUDINAL EXTENT OF SAID MEMBER, AND (B) A PLURALITY OF ELONGATED STRANDS EXTENDING LONGITUDINALLY OF SAID TROUGH AND EACH SECURED TO EACH OF SAID WIRES AT ITS POINT OF INTERSECTION THEREWITH.
Claim 2
Dependent Claim
137 words
AN EDGE SPRING FOR UPHOLSTERED FURNITURE COMPRISING A TROUGH-SHAPED MEMBER OF GENERALLY V-SHAPED CROSSSECTIONAL CONTOUR HAVING DIVERGENT LEGS, AND BEING FORMED OF RESILIENT MATERIAL WHEREBY SAID LEGS MAY BE FLEXED YIELDABLY TOWARD EACH OTHER, SAID RESILIENT MATERIAL BEING FOLDED SUBSTANTIALLY DOUBLE ON ITSELF ALONG THE APEX OF SAID TROUGH SHAPE, ONE OF SAID LEGS BEING SUBSTANTIALLY PLANAR AND THE OTHER OF SAID LEGS BEING CONCAVELY CURVED AT THE SIDE THEREOF DISTAL FROM SAID FIRST LEG, SAID TROUGHSHAPED MEMBER COMPRISING: (A) A SERIES OF SPRING WIRES EACH FORMED TO THE CROSSSECTIONAL CONTOUR OF SAID MEMBER, SAID WIRES BEING DISPOSED IN PARALLEL, SPACED APART PLANES NORMAL TO THE LONGITUDINAL EXTENT OF SAID MEMBER, AND (B) A PLURALITY OF ELONGATED STRANDS EXTENDING LONGITUDINALLY OF SAID TROUGH AND EACH SECURED TO EACH OF SAID WIRES AT ITS POINT OF INTERSECTION THEREWITH.
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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |