Patent US3331629A successfully refreshed from Google Patents.
US3331629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible chair
Assignee: J R Clark Co
•
Filing: 1966-04-15
•
Granted: 1967-07-18
•
Expires: 1986-04-15
Abstract
No abstract record available.
Inventors
- 👤 Donald J Munson
- 👤 Kemuel B Olander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:28
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/28; A47C4/283
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A FOLDING CHAIR HAVING A SEAT EXTENDING FORWARDLY FROM AN UPRIGHT BACK, A PAIR OF LEG FRAMES ARRANGED IN TRANSVERSELY INTERCROSSING RELATION UNDER THE SEAT AND BEING PIVOTALLY INTERCONNECTED ON A FORE AND AFT EXTENDING AXIS AT THEIR INTERSECTION ON A FORE AND AFT EXTENDING FORMING TRANSVERSELY SPACED GENERALLY PARALLEL ARM REST BARS EXTENDING FORWARDLY FROM UPRIGHT PARALLEL REAR LEG EXTENSIONS, FORE AND AFT EXTENDING SEAT RETENTION RODS ON EACH FRAME LYING ON A COMMON HORIZONTAL PLANE VERTICALLY INTERMEDIATE THE PIVOT AND ARM REST BARS, A SEAT OF FLEXIBLE MATERIAL EXTENDING TRANSVERSELY BETWEEN THE RODS AND HAVING ITS LATERAL EDGES CONNECTED THERETO, A PAIR OF BACK SUPPORTS PIVOTED ONE TO EACH REAR LEG EXTENSION ABOVE THE SEAT ON PIVOT AXIS INTERSECTING TO THE REAR OF THE LEG EXTENSIONS FOR FORE AND AFT SWINGING MOVEMENT OF EACH SUPPORT BETWEEN AN ERECT UPRIGHT POSITION AND A FORWARDLY FOLDED POSITION LYING OVER THE SEAT, A BACK PANEL OF FLEXIBLE MATERIAL EXTENDING TRANSVERSELY BETWEEN THE BACK SUPPORTS
Claim 2
Dependent Claim
164 words
IN A FOLDING CHAIR HAVING A SEAT EXTENDING FORWARDLY FROM AN UPRIGHT BACK, A PAIR OF LEG FRAMES ARRANGED IN TRANSVERSELY INTERCROSSING RELATION UNDER THE SEAT AND BEING PIVOTALLY INTERCONNECTED ON A FORE AND AFT EXTENDING AXIS AT THEIR INTERSECTION ON A FORE AND AFT EXTENDING FORMING TRANSVERSELY SPACED GENERALLY PARALLEL ARM REST BARS EXTENDING FORWARDLY FROM UPRIGHT PARALLEL REAR LEG EXTENSIONS, FORE AND AFT EXTENDING SEAT RETENTION RODS ON EACH FRAME LYING ON A COMMON HORIZONTAL PLANE VERTICALLY INTERMEDIATE THE PIVOT AND ARM REST BARS, A SEAT OF FLEXIBLE MATERIAL EXTENDING TRANSVERSELY BETWEEN THE RODS AND HAVING ITS LATERAL EDGES CONNECTED THERETO, A PAIR OF BACK SUPPORTS PIVOTED ONE TO EACH REAR LEG EXTENSION ABOVE THE SEAT ON PIVOT AXIS INTERSECTING TO THE REAR OF THE LEG EXTENSIONS FOR FORE AND AFT SWINGING MOVEMENT OF EACH SUPPORT BETWEEN AN ERECT UPRIGHT POSITION AND A FORWARDLY FOLDED POSITION LYING OVER THE SEAT, A BACK PANEL OF FLEXIBLE MATERIAL EXTENDING TRANSVERSELY BETWEEN THE BACK SUPPORTS
References Cited (Backward Citations)
US40208A
Cited
US1580557A
Cited
US1588575A
Cited
US1765845A
Cited
US2379566A
Cited
FR1165129A
Cited
FR1265905A
Cited
GB939013A
Cited
US3228724A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |