US3413575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-loss, controllable parameter, transmission line
Assignee: United States Department of the Army
•
Filing: 1964-11-10
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Granted: 1968-11-26
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Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 Donn V Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:37
CPC Classifications
H; H01; H01P; H01P9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2228798A
Cited
US2877433A
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US3274521A
Cited
US3329911A
Cited
US3275954A
Cited
US3219950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |