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US2458654A
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System for and method of utilizing microwave radiation from the sun
Assignee: AT&T Inc
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Filing: 1943-12-27
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Granted: 1949-01-11
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Expires: 1963-12-27
Abstract
No abstract record available.
Inventors
- 👤 George C Southworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:42
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/30; H04N5/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190315569A
Cited
US1904059A
Cited
US1850774A
Cited
US2151549A
Cited
US2231929A
Cited
US2204052A
Cited
US2234328A
Cited
US2319195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |