Patent US2982974A successfully refreshed from Google Patents.
US2982974A
Expired / Lapsed
US
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Sofa bed with automatic operation
Assignee: United States Bedding Co
•
Filing: 1954-09-02
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Granted: 1961-05-09
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Expires: 1974-09-02
Abstract
No abstract record available.
Inventors
- 👤 Edward L Bronstien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:07
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/22; A47C17/23; E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/1208; H; H01; H01H; H01H47/00; H01H47/02; H01H47/20; Y; Y10; Y10S; Y10S5/00; Y10S5/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1814828A
Cited
US1978902A
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US2217783A
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US2520849A
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US2540133A
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US2582565A
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US2632898A
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US2634428A
Cited
US2676335A
Cited
US2770814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |