US2630474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission line measuring system
Assignee: RCA Corp
•
Filing: 1947-08-06
•
Granted: 1953-03-03
•
Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 George H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:32
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/02; G01R27/04; G01R27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2288030A
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US2416790A
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US2314764A
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US2425084A
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US2337934A
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US2403289A
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US2445895A
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US2422601A
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US2527979A
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US2412393A
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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) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |