US2913704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple emitter matrices
Assignee: GTE Sylvania Inc
•
Filing: 1954-07-06
•
Granted: 1959-11-17
•
Expires: 1974-07-06
Abstract
No abstract record available.
Inventors
- 👤 Huang Chaang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:38
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/39; H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/62; H03K17/6221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2677725A
Cited
GB693726A
Cited
US2666150A
Cited
US2627039A
Cited
US2673293A
Cited
US2595208A
Cited
US2736880A
Cited
US2670445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |