US3114918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil spring assembly
Assignee: No Sag Spring Co
•
Filing: 1961-04-04
•
Granted: 1963-12-24
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Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 John F Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:37
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN A SPRING ASSEMBLY, SPACED ROWS OF COIL SPRINGS, A WIRE GRID INTERCONNECTING THE BOTTOM TURNS OF THE SPRINGS, A BORDER WIRE DISPOSED SUBSTANTIALLY TANGENTIAL TO THE OUTER EDGE OF THE TOP TURN OF THE EDGE SPRINGS, A PAIR OF TRANSVERSE WIRES RESTING ON THE ADJACENT EDGES OF A PAIR OF TRANSVERSE ROWS OF SAID SPRINGS, LINKS HAVING OPPOSITE ENDS EXTENDING UNDER THE TOP TURNS OF THE OPPOSITE ADJACENT SPRING OF THE ROWS, SAID ENDS BEING SECURED TO SAID WIRES WHICH REST UPON THE TOP TURNS OF THE SPRINGS, THE ENDS OF SAID WIRES EXTENDING PARALLEL TO AND ENGAGING THE ADJACENT PORTIONS OF THE BORDER WIRE, AND MEANS FOR SECURING THE BORDER WIRE, THE TOP TURN OF THE END SPRINGS OF A ROW AND THE ENGAGING WIRE PORTIONS IN FIXED RELATION TO EACH OTHER.
Claim 2
Dependent Claim
134 words
IN A SPRING ASSEMBLY, SPACED ROWS OF COIL SPRINGS, A WIRE GRID INTERCONNECTING THE BOTTOM TURNS OF THE SPRINGS, A BORDER WIRE DISPOSED SUBSTANTIALLY TANGENTIAL TO THE OUTER EDGE OF THE TOP TURN OF THE EDGE SPRINGS, A PAIR OF TRANSVERSE WIRES RESTING ON THE ADJACENT EDGES OF A PAIR OF TRANSVERSE ROWS OF SAID SPRINGS, LINKS HAVING OPPOSITE ENDS EXTENDING UNDER THE TOP TURNS OF THE OPPOSITE ADJACENT SPRING OF THE ROWS, SAID ENDS BEING SECURED TO SAID WIRES WHICH REST UPON THE TOP TURNS OF THE SPRINGS, THE ENDS OF SAID WIRES EXTENDING PARALLEL TO AND ENGAGING THE ADJACENT PORTIONS OF THE BORDER WIRE, AND MEANS FOR SECURING THE BORDER WIRE, THE TOP TURN OF THE END SPRINGS OF A ROW AND THE ENGAGING WIRE PORTIONS IN FIXED RELATION TO EACH OTHER.
References Cited (Backward Citations)
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Cited
US1618852A
Cited
US2101054A
Cited
US2120093A
Cited
FR893548A
Cited
GB563697A
Cited
US2570409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |