US2953783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conical scan direction finder
Assignee: Individual
•
Filing: 1945-03-22
•
Granted: 1960-09-20
•
Expires: 1965-03-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin G Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:16
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/422; G01S13/66; G01S13/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB540681A
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US2314093A
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US2369132A
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US2422068A
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US2419567A
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US2438947A
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US2417248A
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US2464822A
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US2427905A
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US2426182A
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US2473175A
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US2409456A
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US2459117A
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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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |