US2435960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio detecting and range finding system
Assignee: General Electric Co
•
Filing: 1942-09-02
•
Granted: 1948-02-17
•
Expires: 1962-09-02
Abstract
No abstract record available.
Inventors
- 👤 George W Fyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
H; H03; H03G; H03G5/00; H03G5/16; H03G5/24; H03G5/26; G; G01; G01S; G01S1/00; G01S1/02; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009459A
Cited
US2171637A
Cited
US2167492A
Cited
US2143035A
Cited
US2225524A
Cited
US2361648A
Cited
GB545778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |