Patent US2913726A successfully refreshed from Google Patents.
US2913726A
Expired / Lapsed
US
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Inflatable antenna structure
Assignee: Westinghouse Electric Corp
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Filing: 1956-10-29
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Granted: 1959-11-17
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Expires: 1976-10-29
Abstract
No abstract record available.
Inventors
- 👤 James W Currie
- 👤 Hagan L Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:01
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/42; H01Q1/427; G; G01; G01S; G01S13/00; G01S13/74; G01S13/75; H01Q15/00; H01Q15/14; H01Q15/16; H01Q15/161; H01Q15/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |