US2457580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio locating equipment
Assignee: General Electric Co
•
Filing: 1944-12-26
•
Granted: 1948-12-28
•
Expires: 1964-12-26
Abstract
No abstract record available.
Inventors
- 👤 Harry F Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:45
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2103362A
Cited
US2179607A
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US2280733A
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US2265848A
Cited
US2375709A
Cited
US2313966A
Cited
US2403278A
Cited
US2370685A
Cited
US2373145A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |