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US2874276A
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Unitary antenna-receiver utilizing microstrip conductors
Assignee: International Standard Electric Corp
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Filing: 1954-11-04
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Granted: 1959-02-17
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Expires: 1974-11-04
Abstract
No abstract record available.
Inventors
- 👤 Dukes John Marcus Cuthbert
- 👤 Kemp John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:10
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/02; H03L7/04; B; B07; B07C; B07C3/00; B07C3/003; B07C3/006; H01; H01P; H01P1/00; H01P1/18; H01P1/184; H01P1/20; H01P1/201; H01P1/203; H01P1/20327; H01P1/20354; H01P1/20363; H01P1/20381; H01P1/207; H01P1/209; H01P3/00; H01P3/02; H01P3/08; H01P3/085; H01P5/00; H01P5/02; H01P5/08; H01P5/10; H01P5/107; H01P5/12; H01P5/16; H01P5/18; H01P5/184; H01P5/187; H01Q; H01Q1/00; H01Q1/12; H01Q1/22; H01Q1/24; H01Q1/247; H01Q9/00; H01Q9/04; H01Q9/06; H01Q9/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2445895A
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US2637813A
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US2587590A
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US2710917A
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US2784381A
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US2639325A
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US2749521A
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US2789210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |