Patent US3276801A successfully refreshed from Google Patents.
US3276801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring support structures and related hardware for furniture
Assignee: —
•
Filing: —
•
Granted: 1966-10-04
•
Expires: 1983-10-04
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 |