Patent US3264587A successfully refreshed from Google Patents.
US3264587A
Expired / Lapsed
US
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Short wave tuning system
Assignee: Patelhold Patenverwertungs and Elektro-Holding AG
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Filing: 1964-12-22
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Granted: 1966-08-02
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Expires: 1984-12-22
Abstract
No abstract record available.
Inventors
- 👤 Leng Leopold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:42
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/12; H01P; H01P7/00; H01P7/005; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835; H03H; H03H5/00; H03H5/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A SHORT-WAVE TUNING SYSTEM, THE COMBINATION COMPRISING A GENERATOR TUBE, A CYLINDRICAL ANODE COVER CONCENTRICALLY SURROUNDING THE UPPER ANODE END OF SAID TUBE, A HELICAL TUNING COIL CONCENTRICALLY SURROUNDING SAID GENERATOR TUBE AND ANODE COVER, AN OUTER SHIELD CASING CONCENTRICALLY SURROUNDING SAID TUNING COIL AND WHICH IS PROVIDED WITH UPPER AND LOWER END CLOSURE WALLS, AN ANNULAR CONTACT RING CONCENTRICALLY SURROUNDING SAID TUNING COIL, SAID CONTACT RING BEING PROVIDED WTIH FIRST CONTACT MEANS SLIDABLY ENGAGING THE TURNS OF SAID COIL FOR MOVEMENT OF SAID CONTACT MEANS AND CONTACT RING IN A HELICAL PATH ALONG SAID COIL AND SECOND CONTACT MEANS SLIDABLY ENGAGING THE INTERIOR SURFACE OF SAID OUTER SHIELD CASING, MEANS ELECTRICALLY CONNECTING THE UPPER END OF SAID COIL TO SAID ANODE COVER AND THE LOWER END OF SAID, COIL TO SAID LOWER END CLOSURE WALL OF SAID OUTER CASING,
Claim 2
Dependent Claim
141 words
IN A SHORT-WAVE TUNING SYSTEM, THE COMBINATION COMPRISING A GENERATOR TUBE, A CYLINDRICAL ANODE COVER CONCENTRICALLY SURROUNDING THE UPPER ANODE END OF SAID TUBE, A HELICAL TUNING COIL CONCENTRICALLY SURROUNDING SAID GENERATOR TUBE AND ANODE COVER, AN OUTER SHIELD CASING CONCENTRICALLY SURROUNDING SAID TUNING COIL AND WHICH IS PROVIDED WITH UPPER AND LOWER END CLOSURE WALLS, AN ANNULAR CONTACT RING CONCENTRICALLY SURROUNDING SAID TUNING COIL, SAID CONTACT RING BEING PROVIDED WTIH FIRST CONTACT MEANS SLIDABLY ENGAGING THE TURNS OF SAID COIL FOR MOVEMENT OF SAID CONTACT MEANS AND CONTACT RING IN A HELICAL PATH ALONG SAID COIL AND SECOND CONTACT MEANS SLIDABLY ENGAGING THE INTERIOR SURFACE OF SAID OUTER SHIELD CASING, MEANS ELECTRICALLY CONNECTING THE UPPER END OF SAID COIL TO SAID ANODE COVER AND THE LOWER END OF SAID, COIL TO SAID LOWER END CLOSURE WALL OF SAID OUTER CASING,
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |