Patent US2705319A successfully refreshed from Google Patents.
US2705319A
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US
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Detection of changes in terrain reflection coefficient
Assignee: Individual
•
Filing: 1943-05-07
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Granted: 1955-03-29
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Expires: 1963-05-07
Abstract
No abstract record available.
Inventors
- 👤 Dauber Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:48
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/86; G01S13/867
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2236497A
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US2552232A
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US2563052A
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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) | 1958-03-28 | 1958-09-27 | 1959-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-28 | 1962-09-27 | 1963-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-28 | 1966-09-27 | 1967-03-29 | $7700.00 | Window Closed / Lapsed |