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Patent US2878490A successfully refreshed from Google Patents.
US2878490A
Expired / Lapsed
US
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Foldable sofa bed
Assignee: Individual
•
Filing: 1955-02-07
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Granted: 1959-03-24
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Expires: 1975-02-07
Abstract
No abstract record available.
Inventors
- 👤 Schneider Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:52
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/22; A47C17/23; A47C17/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1976753A
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US2352989A
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US2633184A
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US2505989A
Cited
US2656547A
Cited
GB675254A
Cited
US2624888A
Cited
US2634428A
Cited
US2749559A
Cited
US2710411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |