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Patent US2955286A successfully refreshed from Google Patents.
US2955286A
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Plural loop antenna having ferrite cores
Assignee: Intermountain Research and Development Corp
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Filing: 1958-02-24
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Granted: 1960-10-04
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Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 Klein Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/06; H01Q21/20; G; G01; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1799576A
Cited
US1934924A
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US2383415A
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US2824306A
Cited
US2624004A
Cited
US2817082A
Cited
GB784807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |