Patent US3227487A successfully refreshed from Google Patents.
US3227487A
Expired / Lapsed
US
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Pin and plate connectors for folding chair gangs
Assignee: American Seating Co
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Filing: 1964-10-23
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Granted: 1966-01-04
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Udell L Blanchard
- 👤 Jr George A Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:21
CPC Classifications
A; A47; A47C; A47C1/00; A47C1/12; A47C1/124; A47C4/00; A47C4/04; A47C4/18; A47C4/20; A47C4/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN COMBINATION, FOLDING CHAIRS, EACH HAVING A PLATE EQUIPPED WITH A PIN ON THE FRONT AND REAR LEGS ON ONE SIDE OF THE CHAIR AND A SLOTTED PLATE ON THE FRONT AND REAR LEGS ON THE OTHER SIDE OF THE CHAIR, THE SLOTS IN SAID PLATES BEING GENERALLY HORIZONTAL AND FACING EACH OTHER IN HORIZONTAL ALIGNMENT WITH THE PINS OF AN ADJACENT CHAIR, THE SLOTTED PLATES OF SAID CHAIR BEING ENGAGED AND INTERLOCKED WITH THE PINS OF SAID ADJACENT CHAIR WHEN THE LEGS OF SAID CHAIRS ARE EXTENDED IN UNFOLDED POSITION, SAID PIN AND SLOT CONNECTORS BEING RELEASED FOR SEPARATION OF THE CHAIRS WHEN THE LEGS OF SAID CHAIRS ARE MOVED TOWARD EACH OTHER.
Claim 2
Dependent Claim
114 words
IN COMBINATION, FOLDING CHAIRS, EACH HAVING A PLATE EQUIPPED WITH A PIN ON THE FRONT AND REAR LEGS ON ONE SIDE OF THE CHAIR AND A SLOTTED PLATE ON THE FRONT AND REAR LEGS ON THE OTHER SIDE OF THE CHAIR, THE SLOTS IN SAID PLATES BEING GENERALLY HORIZONTAL AND FACING EACH OTHER IN HORIZONTAL ALIGNMENT WITH THE PINS OF AN ADJACENT CHAIR, THE SLOTTED PLATES OF SAID CHAIR BEING ENGAGED AND INTERLOCKED WITH THE PINS OF SAID ADJACENT CHAIR WHEN THE LEGS OF SAID CHAIRS ARE EXTENDED IN UNFOLDED POSITION, SAID PIN AND SLOT CONNECTORS BEING RELEASED FOR SEPARATION OF THE CHAIRS WHEN THE LEGS OF SAID CHAIRS ARE MOVED TOWARD EACH OTHER.
References Cited (Backward Citations)
US3127218A
Cited
US1855489A
Cited
FR716928A
Cited
US2892481A
Cited
US3009738A
Cited
FR1337392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |