Patent US2533565A successfully refreshed from Google Patents.
US2533565A
Expired / Lapsed
US
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Display device having removable nonrigid panel
Assignee: Individual
•
Filing: 1948-07-03
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Granted: 1950-12-12
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Expires: 1968-07-03
Abstract
No abstract record available.
Inventors
- 👤 John M Eichelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:05
CPC Classifications
G; G09; G09F; G09F15/00; G09F15/0006; G09F15/0025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2355518A
Cited
US1613933A
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US1895309A
Cited
US1970256A
Cited
US2149985A
Cited
US2173334A
Cited
US2246995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |