Patent US2524837A successfully refreshed from Google Patents.
US2524837A
Expired / Lapsed
US
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Device for the elimination of random signals from a recurrent wave source
Assignee: Individual
•
Filing: 1943-12-16
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Granted: 1950-10-10
•
Expires: 1963-12-16
Abstract
No abstract record available.
Inventors
- 👤 James L Russell
- 👤 Elvin E Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:59
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2175573A
Cited
US2219021A
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US2410233A
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US2293899A
Cited
US2407000A
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US2422135A
Cited
US2430038A
Cited
US2437173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |