Patent US3324485A successfully refreshed from Google Patents.
US3324485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Upholstery edge springs
Assignee: Hickory Springs Manufacturing Co
•
Filing: 1965-01-25
•
Granted: 1967-06-13
•
Expires: 1985-01-25
Abstract
No abstract record available.
Inventors
- 👤 Benjamine H Haney
- 👤 Benjamin F Dockery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:08
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/043; A47C23/0438; A47C23/007
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
AN UPHOLSTERY SPRING COMPRISING CONTINUOUS HELICAL COILS WOUND ABOUT A LONGITUDINAL AXIS, SAID COILS TERMINATING AT ONE LONGITUDINAL END IN A FLAT LOOP ORIENTED IN A FIRST PLANE INTERSECTING A SECOND PLANE PERPENDICULAR TO SAID AXIS AT AN ANGLE APPROXIMATING 80*, SAID LOOP HAVING A FIRST SEGMENT THEREOF ATTACHED TO A PORTION OF SAID COILS NEAR SAID LOOP AND A SECOND FREE SEGMENT OPPOSITE SAID FIRST SEGMENT, SAID FREE SEGMENT DEFINING A GENERALLY STRAIGHT CENTRAL PORTION TO FACILIATE ATTACHMENT TO A BORDER WIRE.
References Cited (Backward Citations)
US1048112A
Cited
US1262196A
Cited
US2017032A
Cited
US1926085A
Cited
US2250039A
Cited
US3161408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |