US2594874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency dissipating load
Assignee: United States, WAR, Secretary of
•
Filing: 1946-05-08
•
Granted: 1952-04-29
•
Expires: 1966-05-08
Abstract
No abstract record available.
Inventors
- 👤 Seymour B Cohn
- 👤 Harold C Early
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:41
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/26; H01P1/264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US219723A
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US2199083A
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US2423396A
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US2438915A
Cited
US2412805A
Cited
US2423526A
Cited
US2409599A
Cited
US2453645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |