Patent US2422180A successfully refreshed from Google Patents.
US2422180A
Expired / Lapsed
US
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Antenna positioning control
Assignee: Westinghouse Electric Corp
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Filing: 1943-06-08
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Granted: 1947-06-17
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Expires: 1963-06-08
Abstract
No abstract record available.
Inventors
- 👤 John H Broadbent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02
Claims Analysis
Total Claims: 0
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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) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |