Patent US2120663A successfully refreshed from Google Patents.
US2120663A
Expired / Lapsed
US
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Convertible couch
Assignee: SUPERIOR FELT AND BEDDING Co
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Filing: 1936-09-14
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Granted: 1938-06-14
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Expires: 1956-09-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Bowersox
- 👤 Stephen J Blaha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:25
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/13; A47C17/132; A47C17/134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-06-13 | 1941-12-13 | 1942-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-13 | 1945-12-13 | 1946-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-13 | 1949-12-13 | 1950-06-14 | $7700.00 | Window Closed / Lapsed |