US2758282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transforming microwave energy from rectangular air filled wave guide
Assignee: General Precision Laboratory Inc
•
Filing: 1952-03-28
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Granted: 1956-08-07
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Expires: 1972-03-28
Abstract
No abstract record available.
Inventors
- 👤 Charles H Luhrs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:37
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/26; H01P1/264; H01P5/00; H01P5/08; H01P5/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2603709A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |