US3512090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hybrid junctions and mixers and modulators constructed therefrom
Assignee: AERTECH
•
Filing: 1967-10-18
•
Granted: 1970-05-12
•
Expires: 1987-10-18
Abstract
No abstract record available.
Inventors
- 👤 Robert B Mouw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:39
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/52; H03C1/54; H03C1/56; H03C1/58; H01; H01P; H01P1/00; H01P1/20; H01P1/213; H01P5/00; H01P5/12; H01P5/16; H03C7/00; H03C7/02; H03C7/025; H03C7/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2436828A
Cited
US2936369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |