Patent US2831186A successfully refreshed from Google Patents.
US2831186A
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US
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Radar scanner with figure eight beam motion
Assignee: Individual
•
Filing: 1954-02-08
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Granted: 1958-04-15
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Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Raymond P Delano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:13
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/08; F; F16; F16H; F16H37/00; F16H37/12; F16H37/122; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |