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US2483411A
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Pulse synthesizing system
Assignee: STC PLC
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Filing: 1945-12-19
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Granted: 1949-10-04
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Expires: 1965-12-19
Abstract
No abstract record available.
Inventors
- 👤 Donald D Grieg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2191565A
Cited
US2200009A
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US2272070A
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US2266154A
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US2255839A
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US2404306A
Cited
US2436662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |