Patent US3072228A successfully refreshed from Google Patents.
US3072228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail member for sinuous springs
Assignee: Hoover Universal Inc
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Filing: 1959-04-23
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Granted: 1963-01-08
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Expires: 1979-04-23
Abstract
No abstract record available.
Inventors
- 👤 William H Neely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:57
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/02; A47C31/04; A47C31/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A SPRING CONSTRUCTION INCLUDING A LONGITUDINALLY EXTENDING SUPPORTING RAIL MEMBER HAVING A SIDE AND A PAIR OF EDGES, ONE OF SAID EDGES BEING OF A SUBSTANTIALLY CHANNEL SHAPE AND HAVING AN OPEN SIDE FACING GENERALLY IN THE DIRECTION OF THE OPPOSITE EDGE, A LONGITUDINALLY EXTENDING SINUOUSLY CORRUGATED WIRE SPRING HAVING A FREE END PORTION PROVIDED WITH A TRANSVERSELY EXTENDING TERMINAL CROSS WIRE MEMBER WHICH IS SUBSTANTIALLY STRAIGHT AND IS DISPOSED IN SAID CHANNEL SHAPE EDGE AND AN ADJACENT CROSS WIRE MEMBER SUBSTANTIALLY PARALLEL TO SAID TERMINAL CROSS WIRE MEMBER AND POSITIONED ADJACENT SAID RAIL SIDE BETWEEN THE EDGES THEREOF, A LOCATING ABUTMENT STRUCK UP FROM SAID RAIL MEMBER ADJACENT SAID CHANNEL SHAPE EDGE AT THE OPEN SIDE THEREOF FOR RETAINING SAID TERMINAL CROSS WIRE MEMBER THEREIN, A SPRING HOLDER STRUCK UP FROM SAID RAIL SIDE AT A POSITION BETWEEN THE EDGES THEREOF, SAID SPRING HOLDER BEING OFFSET A PREDETERMINED DISTANCE LONGITUDINALLY OF SAID RAIL MEMBER RELATIVE TO SAID ABUTMENT AND BEING POSITIONED RELATIVE TO SAID ABUTMENT SO THAT SAID SPRING HAVING ITS TERMINAL CROSS WIRE MEMBER RETAINED BY SAID ABUTMENT HAS ITS ADJACENT CROSS WIRE MEMBER RETAINED BY SAID HOLDER.
Claim 2
Dependent Claim
190 words
A SPRING CONSTRUCTION INCLUDING A LONGITUDINALLY EXTENDING SUPPORTING RAIL MEMBER HAVING A SIDE AND A PAIR OF EDGES, ONE OF SAID EDGES BEING OF A SUBSTANTIALLY CHANNEL SHAPE AND HAVING AN OPEN SIDE FACING GENERALLY IN THE DIRECTION OF THE OPPOSITE EDGE, A LONGITUDINALLY EXTENDING SINUOUSLY CORRUGATED WIRE SPRING HAVING A FREE END PORTION PROVIDED WITH A TRANSVERSELY EXTENDING TERMINAL CROSS WIRE MEMBER WHICH IS SUBSTANTIALLY STRAIGHT AND IS DISPOSED IN SAID CHANNEL SHAPE EDGE AND AN ADJACENT CROSS WIRE MEMBER SUBSTANTIALLY PARALLEL TO SAID TERMINAL CROSS WIRE MEMBER AND POSITIONED ADJACENT SAID RAIL SIDE BETWEEN THE EDGES THEREOF, A LOCATING ABUTMENT STRUCK UP FROM SAID RAIL MEMBER ADJACENT SAID CHANNEL SHAPE EDGE AT THE OPEN SIDE THEREOF FOR RETAINING SAID TERMINAL CROSS WIRE MEMBER THEREIN, A SPRING HOLDER STRUCK UP FROM SAID RAIL SIDE AT A POSITION BETWEEN THE EDGES THEREOF, SAID SPRING HOLDER BEING OFFSET A PREDETERMINED DISTANCE LONGITUDINALLY OF SAID RAIL MEMBER RELATIVE TO SAID ABUTMENT AND BEING POSITIONED RELATIVE TO SAID ABUTMENT SO THAT SAID SPRING HAVING ITS TERMINAL CROSS WIRE MEMBER RETAINED BY SAID ABUTMENT HAS ITS ADJACENT CROSS WIRE MEMBER RETAINED BY SAID HOLDER.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |