US2874213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiplex transmission
Assignee: RCA Corp
•
Filing: 1954-06-29
•
Granted: 1959-02-17
•
Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 George L Beers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:10
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/00095; H04N1/00098; H04J; H04J3/00; H04N7/00; H04N7/08; H04N7/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2211926A
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US2550821A
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US2625602A
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US2527967A
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US2686220A
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US2664462A
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US2696523A
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US2613264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |