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Patent US2763318A successfully refreshed from Google Patents.
US2763318A
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Flexible contour chair
Assignee: Knoll Associates Inc
•
Filing: 1952-07-05
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Granted: 1956-09-18
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Expires: 1972-07-05
Abstract
No abstract record available.
Inventors
- 👤 Bertoia Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:25
CPC Classifications
A; A47; A47C; A47C3/00; A47C3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1548488A
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US1694293A
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US2027125A
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US1942302A
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CH175298A
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US2085804A
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US2274117A
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US2276308A
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US2521339A
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US2541835A
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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) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |