US2510982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency reactance circuits
Assignee: Federal Telecommunication Laboratories Inc
•
Filing: 1947-04-19
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Granted: 1950-06-13
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Expires: 1967-04-19
Abstract
No abstract record available.
Inventors
- 👤 Armig G Kandoian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:22
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/08; H03; H03C; H03C3/00; H03C3/10; H03C3/12; H03C3/14; H03D; H03D9/00; H03D9/06; H03D9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |