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Patent US2825052A successfully refreshed from Google Patents.
US2825052A
Expired / Lapsed
US
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Mechanically resonant sector scanner
Assignee: Individual
•
Filing: 1946-06-20
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Granted: 1958-02-25
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Expires: 1966-06-20
Abstract
No abstract record available.
Inventors
- 👤 David B Nichinson
- 👤 Willoughby M Cady
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:55
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/02; H01Q3/04; H01Q3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2262218A
Cited
US2713121A
Cited
US2408825A
Cited
US2422180A
Cited
US2416166A
Cited
US2547363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |