US2844791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro wave power measuring instrument
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1952-03-04
•
Granted: 1958-07-22
•
Expires: 1972-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert B Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:02
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/24; H01P1/26; H01P1/264; G; G01; G01R; G01R21/00; G01R21/02; G01R21/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2016894A
Cited
US2197123A
Cited
US2284379A
Cited
US2435597A
Cited
US2464277A
Cited
US2496541A
Cited
US2453645A
Cited
US2495268A
Cited
US2648047A
Cited
US2646549A
Cited
US2804598A
Cited
US2570125A
Cited
US2676307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |