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US3276801A Expired / Lapsed US ⏱️ 0.0 years remaining

Spring support structures and related hardware for furniture

Assignee: —
•
Filing: —
•
Granted: 1966-10-04
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Expires: 1983-10-04
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 05:42
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/02; A47C31/04; A47C31/06; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44906

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
A SPRING SUPPORT STRUCTURE FOR ARTICLES OF FURNITURE WHICH COMPRISES A FRAME; A SERIES OF ZIG-ZAG SPRINGS MADE OF SPRING WIRE EXTENDING ACROSS SAID FRAME, OPPOSITE END LEGS OF EACH OF SAID SPRINGS BEING SEATED IN CLIPS EACH HAVING ONE END SECURELY MOUNTED ON OPPOSITE SIDES OF SAID FRAME; A CLIP ON SAID FRAME BEING FORMED FROM A METAL BAND HAVING A PLURALITY OF TRANSVERSE BENDS INCLUDING A CONVEX BEND DEFINING AN ARCUATE SEAT IN WHICH RESPECTIVE END LEGS ARE SEATED, SAID ARCUATE SEAT HAVING AN ARC WHICH IS GREATER THAN A SEMI-CIRCLE BUT LESS THAN A FULL CIRCLE, SAID SEAT OPENING OUTWARDLY AND UPWARDLY IN A NECK DEFINED BY OPPOSING CONCAVE BENDS, SAID NECK HAVING A THROAT WHICH IS NARROWER THAN THE DIAMETER OF SAID END LEGS, AND A CONVEX BEND DEFINING AN INWARDLY-FACING HOOK NEAR THE SPRINGABLE END OF SAID METAL BAND, WHEREBY SAID NECK MAY BE SPREAD BY HOOKING AN END LEG OF SAID SPRING WHEN IT IS UNDER TENSION.
Claim 2
Dependent Claim 163 words
A SPRING SUPPORT STRUCTURE FOR ARTICLES OF FURNITURE WHICH COMPRISES A FRAME; A SERIES OF ZIG-ZAG SPRINGS MADE OF SPRING WIRE EXTENDING ACROSS SAID FRAME, OPPOSITE END LEGS OF EACH OF SAID SPRINGS BEING SEATED IN CLIPS EACH HAVING ONE END SECURELY MOUNTED ON OPPOSITE SIDES OF SAID FRAME; A CLIP ON SAID FRAME BEING FORMED FROM A METAL BAND HAVING A PLURALITY OF TRANSVERSE BENDS INCLUDING A CONVEX BEND DEFINING AN ARCUATE SEAT IN WHICH RESPECTIVE END LEGS ARE SEATED, SAID ARCUATE SEAT HAVING AN ARC WHICH IS GREATER THAN A SEMI-CIRCLE BUT LESS THAN A FULL CIRCLE, SAID SEAT OPENING OUTWARDLY AND UPWARDLY IN A NECK DEFINED BY OPPOSING CONCAVE BENDS, SAID NECK HAVING A THROAT WHICH IS NARROWER THAN THE DIAMETER OF SAID END LEGS, AND A CONVEX BEND DEFINING AN INWARDLY-FACING HOOK NEAR THE SPRINGABLE END OF SAID METAL BAND, WHEREBY SAID NECK MAY BE SPREAD BY HOOKING AN END LEG OF SAID SPRING WHEN IT IS UNDER TENSION.

References Cited (Backward Citations)

US2542458A Cited
US2948940A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-03 1970-04-04 1970-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-03 1974-04-04 1974-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-03 1978-04-04 1978-10-04 $7700.00 Window Closed / Lapsed

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