Patent US3519880A successfully refreshed from Google Patents.
US3519880A
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US
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Electroluminescent image display system having improved horizontal scanning
Assignee: Panasonic Holdings Corp
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Filing: 1967-11-29
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Granted: 1970-07-07
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Expires: 1987-11-29
Abstract
No abstract record available.
Inventors
- 👤 Masami Yoshiyama
- 👤 Teruo Sato
- 👤 Hitoshi Takeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:40
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/14; H05; H05B; H05B33/00; H05B33/12; H05B33/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2892968A
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US2917667A
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US3048824A
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US2995682A
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US3096516A
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US3263120A
Cited
US3343128A
Cited
US3379831A
Cited
US3328790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |