Patent US2776426A successfully refreshed from Google Patents.
US2776426A
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US
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Moving target range tracking unit
Assignee: TDK Micronas GmbH
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Filing: 1952-11-03
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Granted: 1957-01-01
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Expires: 1972-11-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Altman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:52
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/02; G01S3/14; G01S3/38; G01S3/42; G01S13/00; G01S13/66; G01S13/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2268587A
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US2433667A
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US2600193A
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US2515464A
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US2631279A
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US2717377A
Cited
US2688743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |