US2413558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional parabolic antenna system
Assignee: RCA Corp
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Filing: 1943-06-24
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Granted: 1946-12-31
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Expires: 1963-06-24
Abstract
No abstract record available.
Inventors
- 👤 Goddard De Witt Rugg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:08
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/16; H01Q15/161; H01Q15/162; H01Q1/00; H01Q1/12; H01Q1/22; H01Q1/24; H01Q19/00; H01Q19/10; H01Q19/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-12-30 | 1950-07-01 | 1950-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-12-30 | 1954-07-01 | 1954-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-12-30 | 1958-07-01 | 1958-12-31 | $7700.00 | Window Closed / Lapsed |