Patent US2644506A successfully refreshed from Google Patents.
US2644506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible article of furniture
Assignee: Individual
•
Filing: 1950-04-25
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Granted: 1953-07-07
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Expires: 1970-04-25
Abstract
No abstract record available.
Inventors
- 👤 Pollack Hyman
- 👤 Brand David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:02
CPC Classifications
A; A47; A47B; A47B85/00; A47B85/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US290361A
Cited
US1437782A
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US1769384A
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US2346919A
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US2550811A
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US2516773A
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US2516774A
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US2541664A
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US2509972A
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 |