Patent US2750993A successfully refreshed from Google Patents.
US2750993A
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US
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Folding and adjustable chair back
Assignee: Reconstruction Finance Corp
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Filing: 1953-12-16
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Granted: 1956-06-19
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Expires: 1973-12-16
Abstract
No abstract record available.
Inventors
- 👤 Eugene R Mcgregor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:46
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/04; A47C4/18; A47C1/00; A47C1/02; A47C1/022; A47C1/024; A47C1/025; A47C1/026; A47C1/0265; A47C1/027; A47C4/20; A47C4/22; A47C7/00; A47C7/36; A47C7/40; A47C7/407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US201912A
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US293393A
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US960607A
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US1444024A
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US1701604A
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FR35395E
Cited
US1773597A
Cited
US1929471A
Cited
US2133471A
Cited
US2273428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |