Patent US2853717A successfully refreshed from Google Patents.
US2853717A
Expired / Lapsed
US
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Motor-operated sofa-bed
Assignee: Individual
•
Filing: 1955-06-15
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Granted: 1958-09-30
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Expires: 1975-06-15
Abstract
No abstract record available.
Inventors
- 👤 Maurice S Firsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:33
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/13; A47C17/136; A47C17/22; A47C17/23; Y; Y10; Y10S; Y10S5/00; Y10S5/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |