Patent US2907053A successfully refreshed from Google Patents.
US2907053A
Expired / Lapsed
US
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Sofa bed
Assignee: Seng Co
•
Filing: 1955-09-09
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Granted: 1959-10-06
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Expires: 1975-09-09
Abstract
No abstract record available.
Inventors
- 👤 Fox Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:33
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/13; A47C17/136; A47C17/138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1790884A
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US632053A
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US1182731A
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US1783531A
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US1976443A
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US2240216A
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US2557734A
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CH263009A
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US2565784A
Cited
US2642584A
Cited
US2708959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |