Patent US2583811A successfully refreshed from Google Patents.
US2583811A
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US
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Convertible table
Assignee: ALTA ENGINEERING Co
•
Filing: 1947-12-08
•
Granted: 1952-01-29
•
Expires: 1967-12-08
Abstract
No abstract record available.
Inventors
- 👤 Mary A Boyes
- 👤 Coates J Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:42
CPC Classifications
A; A47; A47B; A47B85/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2024421A
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US2042387A
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US2060405A
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US2085724A
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US2240208A
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US2232466A
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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) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |