Patent US3312501A successfully refreshed from Google Patents.
US3312501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible seats
Assignee: Individual
•
Filing: 1965-12-13
•
Granted: 1967-04-04
•
Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Penn John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:37
CPC Classifications
A; A47; A47C; A47C9/00; A47C9/10; A47C9/105; A47C4/00; A47C4/28; A47C4/286; A47C4/32; A47C4/34; A47C4/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A COLLAPSIBLE SEAT WHICH, IN ITS ASSEMBLED CONDITION, COMPRISES A PAIR OF SPACED SIDE MEMBERS, A FLEXIBLE SEATFORMING WEB, INTERCONNECTING SAID SIDE MEMBERS, A PAIR OF LEG MEMBERS ARRANGED IN X-FORMATION PIVOTALLY CONNECTED TO AN ARM-REST MEMBER AND SIDE MEMBER, EACH LEG MEMBER BEING DOWNWARDLY AND INWARDLY DIRECTED TOWARDS THE OPPOSITE DIAGONAL CORNER OF THE SEAT SO THAT ALL THE LEGS CONVERGE TOWARDS ONE ANOTHER AND CROSS AT A POSITION BELOW THE SEATING AREA, A BACK-REST MEMBER RELEASABLY INTERCONNECTING SAID ARM RESTS AND MEANS ENCIRCLING AND RETAINING SAID LEGS IN THEIR X-FORMATION ADJACENT THE CROSSOVER POSITION, THE ARRANGEMENT BEING SUCH THAT THE SEAT MAY BE COLLAPSED BY RELESING SAID BACK-REST FROM AT LEAST ONE OF SAID ARM RESTS AND THEN BRINGING SAID SIDE MEMBERS TOGETHER.
Claim 2
Dependent Claim
125 words
A COLLAPSIBLE SEAT WHICH, IN ITS ASSEMBLED CONDITION, COMPRISES A PAIR OF SPACED SIDE MEMBERS, A FLEXIBLE SEATFORMING WEB, INTERCONNECTING SAID SIDE MEMBERS, A PAIR OF LEG MEMBERS ARRANGED IN X-FORMATION PIVOTALLY CONNECTED TO AN ARM-REST MEMBER AND SIDE MEMBER, EACH LEG MEMBER BEING DOWNWARDLY AND INWARDLY DIRECTED TOWARDS THE OPPOSITE DIAGONAL CORNER OF THE SEAT SO THAT ALL THE LEGS CONVERGE TOWARDS ONE ANOTHER AND CROSS AT A POSITION BELOW THE SEATING AREA, A BACK-REST MEMBER RELEASABLY INTERCONNECTING SAID ARM RESTS AND MEANS ENCIRCLING AND RETAINING SAID LEGS IN THEIR X-FORMATION ADJACENT THE CROSSOVER POSITION, THE ARRANGEMENT BEING SUCH THAT THE SEAT MAY BE COLLAPSED BY RELESING SAID BACK-REST FROM AT LEAST ONE OF SAID ARM RESTS AND THEN BRINGING SAID SIDE MEMBERS TOGETHER.
References Cited (Backward Citations)
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US2733754A
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US1027692A
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US1481521A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |