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Patent US2759779A successfully refreshed from Google Patents.
US2759779A
Expired / Lapsed
US
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Devices for connecting desk tops together
Assignee: ART STEEL SALES Corp
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Filing: 1954-03-30
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Granted: 1956-08-21
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Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Bergman Ed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:05
CPC Classifications
A; A47; A47B; A47B87/00; A47B87/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US908487A
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US1048596A
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GB191300934A
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US1110948A
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US1585102A
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US2101852A
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US2043886A
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US2297647A
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US2327743A
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US2596663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |