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US2543736A
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US
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Pulse multiplex system employing step-wave commutation
Assignee: RCA Corp
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Filing: 1946-06-28
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Granted: 1951-02-27
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Expires: 1966-06-28
Abstract
No abstract record available.
Inventors
- 👤 Bertram A Trevor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:23
CPC Classifications
H; H04; H04J; H04J3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2048081A
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US2172354A
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US2311021A
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US2199634A
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US2231375A
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US2405238A
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US2405239A
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US2444036A
Cited
US2468059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |