US3205513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coil-spring assembly
Assignee: Individual
•
Filing: 1964-03-17
•
Granted: 1965-09-14
•
Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Levine Mac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:14
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A SPRING ASSEMBLY OF THE KIND WHEREIN A PLURALITY OF ROWS OF EQUAL LENGTH, UPRIGHT, COILED SPRINGS ARE ATTACHED TO EACH OTHER BY THEIR TOP AND BOTTOM CONVOLUTIONS, AND WHEREIN TIE WIRES, EXTENDING TRANSVERSELY OF THE SEVERAL ROWS, UNIT CORRESPONDING SPRINGS OF THE SEVERAL ROWS, AND WHEREIN AN UPPER SUBSTANTIALLY RECTANGULAR, OPEN FRAME, WHICH IS HIGHLY RESISTANT TO DEFORMATION, SURROUNDS AND IS SUBSTANTIALLY COPLANAR WITH THE TOP CONVOLUTIONS OF THE SEVERAL SPRINGS AND IS CONNECTED TO AND SUPPORTED BY THE BORDER SPRINGS OF SAID ASSEMBLY, THE ASSEMBLKY FURTHER COMPRISING A SUBSTANTIALLY RECTILINEAR LOWER FRAME TO WHICH THE LOWER CONVOLUTIONS OF THE BORDER SPRINGS ARE CONNECTED, CHARACTERIZED IN HAVING MEANS, AD-
Claim 2
Dependent Claim
110 words
A SPRING ASSEMBLY OF THE KIND WHEREIN A PLURALITY OF ROWS OF EQUAL LENGTH, UPRIGHT, COILED SPRINGS ARE ATTACHED TO EACH OTHER BY THEIR TOP AND BOTTOM CONVOLUTIONS, AND WHEREIN TIE WIRES, EXTENDING TRANSVERSELY OF THE SEVERAL ROWS, UNIT CORRESPONDING SPRINGS OF THE SEVERAL ROWS, AND WHEREIN AN UPPER SUBSTANTIALLY RECTANGULAR, OPEN FRAME, WHICH IS HIGHLY RESISTANT TO DEFORMATION, SURROUNDS AND IS SUBSTANTIALLY COPLANAR WITH THE TOP CONVOLUTIONS OF THE SEVERAL SPRINGS AND IS CONNECTED TO AND SUPPORTED BY THE BORDER SPRINGS OF SAID ASSEMBLY, THE ASSEMBLKY FURTHER COMPRISING A SUBSTANTIALLY RECTILINEAR LOWER FRAME TO WHICH THE LOWER CONVOLUTIONS OF THE BORDER SPRINGS ARE CONNECTED, CHARACTERIZED IN HAVING MEANS, AD-
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |