US3403357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching apparatus for selectively coupling a predetermined number of microwave devices between an input and an output port
Assignee: Raytheon Co
•
Filing: 1966-04-14
•
Granted: 1968-09-24
•
Expires: 1986-04-14
Abstract
No abstract record available.
Inventors
- 👤 Harold A Rosen
- 👤 Neal C Silence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:03
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H03F1/542; H01; H01P; H01P1/00; H01P1/10; H01P1/11; H03H; H03H7/00; H03H7/48; H03H7/487
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2229090A
Cited
US2281035A
Cited
US2994045A
Cited
US2848714A
Cited
US3038131A
Cited
US3030501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |