US2921692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fold flat standard base and display shelf
Assignee: Individual
•
Filing: 1957-05-13
•
Granted: 1960-01-19
•
Expires: 1977-05-13
Abstract
No abstract record available.
Inventors
- 👤 Jr James M Gilchrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:50
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112; A47F5/04; A47F5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US317175A
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US795837A
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US1758307A
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US1912505A
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US2045614A
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US2455025A
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US2452792A
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US2459940A
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US2467696A
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US2838818A
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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) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |