Patent US5298016A successfully refreshed from Google Patents.
Patent US2731585A successfully refreshed from Google Patents.
US2731585A
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Luminous display apparatus
Assignee: Ansor Corp
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Filing: 1952-04-21
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Granted: 1956-01-17
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Expires: 1972-04-21
Abstract
No abstract record available.
Inventors
- 👤 Rousseau Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:41
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J17/492; G; G09; G09F; G09F13/00; G09F13/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2121829A
Cited
US2181889A
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US2184530A
Cited
US2185674A
Cited
US2322008A
Cited
US2291467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |