US2654833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar beacon transmitter
Assignee: Pye Electronic Products Ltd
•
Filing: 1949-09-20
•
Granted: 1953-10-06
•
Expires: 1969-09-20
Abstract
No abstract record available.
Inventors
- 👤 Lord Arthur Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:28
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/767
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2209507A
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US2421016A
Cited
US2391776A
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US2413023A
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US2429513A
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US2530096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |