Patent US3216016A successfully refreshed from Google Patents.
US3216016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buried inner and outer loop conductors forming annulus producing radiation in plane of annulus
Assignee: Control Data Corp
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Filing: 1962-08-09
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Granted: 1965-11-02
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Expires: 1982-08-09
Abstract
No abstract record available.
Inventors
- 👤 Robert L Tanner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:27
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN ANTENNA FOR BURIAL IN THE GROUND COMPRISING AN INNER-LOOP CONDUCTOR AN OUTER-LOOP CCONDUCTOR SAID OUTERLOOP CONDUCTOR HAVING A RADIUS LARGER THAN SAID INNER-LOOP CONDUCTOR AND BEING POSITIONED RELATIVE THERETO TO DEFINE THEREWITH AN ANNULUS, THE RADII OF SAID INNER AND OUTER LOOP HAVING DIMENSIONS SUCH THAT THE SQUARE ROOT OF THEIR PRODUCT WHEN MEASURED IN RADIAN-LENGTHS SUBSTANTIALLY EQUALS 2.405.
Claim 2
Dependent Claim
60 words
AN ANTENNA FOR BURIAL IN THE GROUND COMPRISING AN INNER-LOOP CONDUCTOR AN OUTER-LOOP CCONDUCTOR SAID OUTERLOOP CONDUCTOR HAVING A RADIUS LARGER THAN SAID INNER-LOOP CONDUCTOR AND BEING POSITIONED RELATIVE THERETO TO DEFINE THEREWITH AN ANNULUS, THE RADII OF SAID INNER AND OUTER LOOP HAVING DIMENSIONS SUCH THAT THE SQUARE ROOT OF THEIR PRODUCT WHEN MEASURED IN RADIAN-LENGTHS SUBSTANTIALLY EQUALS 2.405.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |