US2804598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave guide termination
Assignee: Individual
•
Filing: 1946-02-08
•
Granted: 1957-08-27
•
Expires: 1966-02-08
Abstract
No abstract record available.
Inventors
- 👤 Roberto M Fano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:05
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)
US686246A
Cited
US1525183A
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US2197123A
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US2207845A
Cited
US2461005A
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US2438915A
Cited
US2427098A
Cited
US2464277A
Cited
US2423526A
Cited
US2409599A
Cited
US2472201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |