Patent US2698648A successfully refreshed from Google Patents.
US2698648A
Expired / Lapsed
US
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Convertible chair and bed structure
Assignee: ERNIE E SCHWARTZ
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Filing: 1950-12-21
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Granted: 1955-01-04
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Expires: 1970-12-21
Abstract
No abstract record available.
Inventors
- 👤 Kronheim Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:44
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/16; A47C17/20; A47C17/207; A47C7/00; A47C7/02; A47C7/34; A47C7/347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US329272A
Cited
US1306268A
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US855520A
Cited
US1032202A
Cited
US1734943A
Cited
US1789245A
Cited
GB338810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |