US3516031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunable microwave switching
Assignee: Skyworks Solutions Inc
•
Filing: 1967-07-03
•
Granted: 1970-06-02
•
Expires: 1987-07-03
Abstract
No abstract record available.
Inventors
- 👤 Robert T Commerford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:56
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/74; H01; H01P; H01P1/00; H01P1/10; H01P1/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2647210A
Cited
US2632806A
Cited
US2781500A
Cited
US3092781A
Cited
US3164792A
Cited
US3175218A
Cited
US3392354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |