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US2730644A
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Electroluminescent light means
Assignee: Individual
•
Filing: 1951-04-10
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Granted: 1956-01-10
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Expires: 1971-04-10
Abstract
No abstract record available.
Inventors
- 👤 Hyman A Michlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:57
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/30; H05; H05B; H05B33/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2248985A
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US2270373A
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US2252386A
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US2455710A
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US2516314A
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US2446791A
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US2518200A
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US2580073A
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US2594740A
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US2590018A
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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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |