Patent US2710239A successfully refreshed from Google Patents.
US2710239A
Expired / Lapsed
US
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Vertically adjustable leg structure
Assignee: Individual
•
Filing: 1953-06-15
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Granted: 1955-06-07
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Expires: 1973-06-15
Abstract
No abstract record available.
Inventors
- 👤 Lobendank Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:26
CPC Classifications
A; A47; A47B; A47B91/00; A47B91/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US451430A
Cited
US862791A
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US1133804A
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US1370732A
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US1687128A
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US2378852A
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US2643922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |