US2666093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low loss high-frequency transmission line
Assignee: Radix Wire Co
•
Filing: 1950-04-19
•
Granted: 1954-01-12
•
Expires: 1970-04-19
Abstract
No abstract record available.
Inventors
- 👤 Leslie K Widberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:51
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US605256A
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US1533936A
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US1965953A
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GB477019A
Cited
US2158867A
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US2204782A
Cited
US2232085A
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US2361374A
Cited
GB555228A
Cited
US2628998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |