Patent US2419216A successfully refreshed from Google Patents.
US2419216A
Expired / Lapsed
US
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Illuminated display device having animation effects
Assignee: Individual
•
Filing: 1942-02-02
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Granted: 1947-04-22
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Expires: 1962-02-02
Abstract
No abstract record available.
Inventors
- 👤 Hotchner Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:05
CPC Classifications
G; G09; G09F; G09F13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1198848A
Cited
US1451520A
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FR606316A
Cited
US1827963A
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US1862078A
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US1867916A
Cited
US1869276A
Cited
GB417428A
Cited
FR786107A
Cited
US2216261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |