Patent US3403359A successfully refreshed from Google Patents.
US3403359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio frequency resonant circuit component
Assignee: RADIO FREQUENCY CO Inc
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Filing: 1966-07-28
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Granted: 1968-09-24
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Expires: 1986-07-28
Abstract
No abstract record available.
Inventors
- 👤 Manwaring Joshua George Dowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:37
CPC Classifications
H; H03; H03H; H03H5/00; H03H5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A RADIO FREQUENCY TURNED CIRCUIT COMPONENT CONSISTING OF A CONDUCTIVE SUPPORT HAVING OPPOSED, SPACED, GENERALLY PARALLEL SUPPORT MEMBERS ELECTRICALLY CONNECTED TOGETHER AND TWO SERIES OF ALTERNATING OPPOSED SOLID CONDUCTIVEP PLATES SPACED FROM ONE ANOTHER IN A DIRECTION PERPENDICULAR TO THE PLANE OF THE PLATES FOR CAPACITIVE COUPLING THEREBETWEEN, WITH THE PLATES OF EACH SERIES MOUNTED ON OPPOSITE SAID MEMBERS IN THE SPACE BETWEEN SAID SUPPORT MEMBERS, SAID SUPPORT MEMBERS OF A PAIR BEING CONNECTED TO A COMMON PLATE, SAID SERIES OF PLATES BEING ELECTRICALLY CONNECTED TOGETHER THROUGH SAID MEMBERS PROVIDING AN INDUCTIVE LOOP, AT LEAST ONE OF SAID SERIES OF PLATES HAVING A COMMON HIGH ENERGY CONNECTION POINT SPACED FROM THE CONNECTED SAID MEMBER OF SAID SERIES OF PROVIDE A PAIR OF MUTUALLY INDUCTIVELY COUPLED INDUCTORS PROVIDING RADIO FREQUENCY CURRENT FLOW IN AT LEAST ONE HIGH CURRENT DENSITY PATH IN EACH OF SAID PLATES WITH SAID FLOW IN SAID OPPOSED ESTALISHING A RADIO FREQUENCY FIELD BY CURRENT FLOW IN OPPOSITE DIRECTIONS ALONG SAID PLATES FOR MUTUAL INDUCTIVE COUPLING AND THE AXIS OF SAID INDUCTIVE LOOP BEING PARALLEL TO SAID PLATES.
Claim 2
Dependent Claim
180 words
A RADIO FREQUENCY TURNED CIRCUIT COMPONENT CONSISTING OF A CONDUCTIVE SUPPORT HAVING OPPOSED, SPACED, GENERALLY PARALLEL SUPPORT MEMBERS ELECTRICALLY CONNECTED TOGETHER AND TWO SERIES OF ALTERNATING OPPOSED SOLID CONDUCTIVEP PLATES SPACED FROM ONE ANOTHER IN A DIRECTION PERPENDICULAR TO THE PLANE OF THE PLATES FOR CAPACITIVE COUPLING THEREBETWEEN, WITH THE PLATES OF EACH SERIES MOUNTED ON OPPOSITE SAID MEMBERS IN THE SPACE BETWEEN SAID SUPPORT MEMBERS, SAID SUPPORT MEMBERS OF A PAIR BEING CONNECTED TO A COMMON PLATE, SAID SERIES OF PLATES BEING ELECTRICALLY CONNECTED TOGETHER THROUGH SAID MEMBERS PROVIDING AN INDUCTIVE LOOP, AT LEAST ONE OF SAID SERIES OF PLATES HAVING A COMMON HIGH ENERGY CONNECTION POINT SPACED FROM THE CONNECTED SAID MEMBER OF SAID SERIES OF PROVIDE A PAIR OF MUTUALLY INDUCTIVELY COUPLED INDUCTORS PROVIDING RADIO FREQUENCY CURRENT FLOW IN AT LEAST ONE HIGH CURRENT DENSITY PATH IN EACH OF SAID PLATES WITH SAID FLOW IN SAID OPPOSED ESTALISHING A RADIO FREQUENCY FIELD BY CURRENT FLOW IN OPPOSITE DIRECTIONS ALONG SAID PLATES FOR MUTUAL INDUCTIVE COUPLING AND THE AXIS OF SAID INDUCTIVE LOOP BEING PARALLEL TO SAID PLATES.
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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |