Patent US3445793A successfully refreshed from Google Patents.
US3445793A
Expired / Lapsed
US
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High frequency strip transmission line
Assignee: Texas Instruments Inc
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Filing: 1964-09-18
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Granted: 1969-05-20
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Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 James R Biard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:43
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P3/081; H01P3/082; H10; H10D; H10D84/00; H10P; H10P95/00; H10W; H10W20/00; H10W20/40; H10W20/497; Y; Y10; Y10S; Y10S148/00; Y10S148/049; Y10S148/085
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |