US2805504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demountable display panel and easel combination
Assignee: Eye-Beam Displays Inc
•
Filing: 1955-07-13
•
Granted: 1957-09-10
•
Expires: 1975-07-13
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:41
CPC Classifications
A; A47; A47G; A47G1/00; A47G1/14; A47G1/141; G; G09; G09F; G09F1/00; G09F1/10; G09F1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1485846A
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US1570656A
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US1603622A
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US1699735A
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US1737729A
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US2160724A
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US2355625A
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US2376180A
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US2614353A
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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) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |