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US2672181A
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Convertible furniture construction set
Assignee: Individual
•
Filing: 1948-10-30
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Granted: 1954-03-16
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Expires: 1968-10-30
Abstract
No abstract record available.
Inventors
- 👤 Walter E Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:54
CPC Classifications
A; A47; A47D; A47D1/00; A47C; A47C4/00; A47C4/02; A47C4/021; A47C4/03; A47D11/00; A47D11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |