Patent US4144367A successfully refreshed from Google Patents.
Patent US3082385A successfully refreshed from Google Patents.
US3082385A
Expired / Lapsed
US
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Tunable high frequency circuit of wide frequency range
Assignee: Svenska AB Gasaccumulator
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Filing: 1958-10-01
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Granted: 1963-03-19
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Expires: 1978-10-01
Abstract
No abstract record available.
Inventors
- 👤 Granqvist Carl-Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:53
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A TUNABLE CIRCUIT FOR HIGH FREQUENCIES COMPRISING A CONDUCTOR MOUNTED UPON AN AXIS OF ROTATION, SAID CONDUCTOR HAVING TWO LINES OF SUBSTANTIALLY EQUAL LENGTH IN ALIGNMENT ON ONE SIDE OF SAID AXIS AND PARALLEL THERETO AND A SINGLE LINE ON THE OPPOSITE SIDE OF SAID AXIS AND PARALLEL THERETO AND HAVING A LENGTH LONGER THAN THE SUM OF THE LENGTHS OF SAID TWO LINES OF SUBSTANTIALLY EQUAL LENGTH, END PORTIONS CONNECTING REMOTE ENDS OF EACH OF SAID LINES OF EQUAL LENGTH TO ADJACENT ENDS OF SAID SINGLE LINE, AND A PLURALITY OF CONDUCTIVE SURFACES PARALLEL TO SAID AXIS OF ROTATION AND ADJACENT TO SAID CONDUCTOR, SAID CONDUCTOR MOUNTED ECCENTRICALLY WITH RESPECT TO SAID PLURALITY OF CONDUCTIVE SURFACES.
Claim 2
Dependent Claim
117 words
A TUNABLE CIRCUIT FOR HIGH FREQUENCIES COMPRISING A CONDUCTOR MOUNTED UPON AN AXIS OF ROTATION, SAID CONDUCTOR HAVING TWO LINES OF SUBSTANTIALLY EQUAL LENGTH IN ALIGNMENT ON ONE SIDE OF SAID AXIS AND PARALLEL THERETO AND A SINGLE LINE ON THE OPPOSITE SIDE OF SAID AXIS AND PARALLEL THERETO AND HAVING A LENGTH LONGER THAN THE SUM OF THE LENGTHS OF SAID TWO LINES OF SUBSTANTIALLY EQUAL LENGTH, END PORTIONS CONNECTING REMOTE ENDS OF EACH OF SAID LINES OF EQUAL LENGTH TO ADJACENT ENDS OF SAID SINGLE LINE, AND A PLURALITY OF CONDUCTIVE SURFACES PARALLEL TO SAID AXIS OF ROTATION AND ADJACENT TO SAID CONDUCTOR, SAID CONDUCTOR MOUNTED ECCENTRICALLY WITH RESPECT TO SAID PLURALITY OF CONDUCTIVE SURFACES.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |