US2797374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural motor control system for radar scanner drive
Assignee: Savage and Parsons Ltd
•
Filing: 1952-11-06
•
Granted: 1957-06-25
•
Expires: 1972-11-06
Abstract
No abstract record available.
Inventors
- 👤 Atton Alfred Montague
- 👤 Fletcher Lawrence Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:30
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/08; F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1667718A
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US2130899A
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US2456020A
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US2436582A
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US2433837A
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US2487429A
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US2559834A
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US2688700A
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US2639411A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |