Patent US2644171A successfully refreshed from Google Patents.
US2644171A
Expired / Lapsed
US
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Combined sofa seat and bed
Assignee: Individual
•
Filing: 1951-04-24
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Granted: 1953-07-07
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Expires: 1971-04-24
Abstract
No abstract record available.
Inventors
- 👤 Lorenz Anton
- 👤 Nock Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:06
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/16; A47C17/20; A47C17/207; A47C17/2076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR755930A
Cited
FR381300A
Cited
AT54285B
Cited
US1017937A
Cited
US1349620A
Cited
CH114253A
Cited
US1738156A
Cited
FR44336E
Cited
US2534177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |