US3021387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical display device
Assignee: RCA Corp
•
Filing: 1956-04-13
•
Granted: 1962-02-13
•
Expires: 1976-04-13
Abstract
No abstract record available.
Inventors
- 👤 Rajchman Jan Aleksander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:04
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/20; G09G3/22; G09G3/30; H; H04; H04N; H04N3/00; H04N3/10; H04N3/12; G09G2300/00; G09G2300/08; G09G2300/088; G09G2300/0885; G09G2300/0895
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |