US2995716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave guide switch and actuator therefor
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1955-11-21
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Granted: 1961-08-08
•
Expires: 1975-11-21
Abstract
No abstract record available.
Inventors
- 👤 Carl F Schunemann
- 👤 George E Jacques
- 👤 Jack A Wylie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:41
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/26; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR1076927A
Cited
US1936572A
Cited
US2307567A
Cited
US2588934A
Cited
US2509827A
Cited
US2637787A
Cited
US2629048A
Cited
US2827613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |