Patent US2774177A successfully refreshed from Google Patents.
US2774177A
Expired / Lapsed
US
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Collapsible adjustable combined bookrest
Assignee: Individual
•
Filing: 1953-12-30
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Granted: 1956-12-18
•
Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Murgia John Battista
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:52
CPC Classifications
A; A47; A47B; A47B23/00; A47B23/04; A47B23/042; A47B23/043; A47B2023/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US352654A
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US796239A
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US1094502A
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US1160851A
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US1228595A
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US1652774A
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US1571131A
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US1979564A
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US2265105A
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US2471003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |