Patent US2472706A successfully refreshed from Google Patents.
US2472706A
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US
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Pulse transmission system
Assignee: RCA Corp
•
Filing: 1943-07-03
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Granted: 1949-06-07
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Expires: 1963-07-03
Abstract
No abstract record available.
Inventors
- 👤 Jr George D Hulst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:42
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/022; G01S1/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1621062A
Cited
US2041245A
Cited
FR768022A
Cited
US2089639A
Cited
US2227108A
Cited
US2303493A
Cited
US2292100A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |