US2429260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sofa bed hinge
Assignee: AMERICAN BED AND SPRING Co
•
Filing: 1944-11-08
•
Granted: 1947-10-21
•
Expires: 1964-11-08
Abstract
No abstract record available.
Inventors
- 👤 Coopersmith Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:42
CPC Classifications
A; A47; A47C; A47C17/00; A47C17/04; A47C17/16; A47C17/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US637976A
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US789903A
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US820826A
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GB181302A
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US1878405A
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US2201903A
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US2224825A
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US2328254A
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US2334493A
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US2335870A
Cited
US2317105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-20 | 1951-04-21 | 1951-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-20 | 1955-04-21 | 1955-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-20 | 1959-04-21 | 1959-10-21 | $7700.00 | Window Closed / Lapsed |