US2822537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Command radar
Assignee: Individual
•
Filing: 1945-11-29
•
Granted: 1958-02-04
•
Expires: 1965-11-29
Abstract
No abstract record available.
Inventors
- 👤 Everhard H B Bartelink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:34
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE702686C
Cited
US2300189A
Cited
US2409448A
Cited
US2417136A
Cited
US2541030A
Cited
US2508358A
Cited
US2408742A
Cited
US2513962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |