US3414843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four-part microwave ferrite circulator
Assignee: Motorola Solutions Inc
•
Filing: 1965-10-24
•
Granted: 1968-12-03
•
Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jansen Joseph Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:19
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/32; H01P1/38; H01P1/383; H01P1/387
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2890328A
Cited
US3165711A
Cited
US3085212A
Cited
US3136950A
Cited
US3209284A
Cited
US3201722A
Cited
US3295074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |