Patent US3223952A successfully refreshed from Google Patents.
US3223952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunable inductor
Assignee: Piconics Inc
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Filing: 1963-01-30
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Granted: 1965-12-14
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Slenker Stephen Amram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:47
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN ENCAPSULATED TUNABLE INDUCTOR COMPRISING: (A) A PLASTIC HOUSING HAVING A CENTRALLY LOCATED CYLINDRICAL CAVITY THEREIN CONNECTED TO THE EXTERIOR BY A THREADED HOLE WHOSE AXIS IS COLINEAR WITH THE AXIS OF SAID CAVITY; (B) A WINDING WITH A PLURALITY OF HELICAL TURNS OF WIRE DEFINING A CYLINDRICAL COIL HAVING AN OUTER SURFACE AND AN INNER SURFACE, SAID WINDING BEING CONTAINED IN SAID CAVITY WITH SAID OUTER SURFACE IN SUPPORTING ENGAGEMENT WITH THE SURFACE OF SAID HOUSING DEFINING SAID CYLINDRICAL CAVITY; (C) A TUNING SLUG MOUNTED IN SAID COIL FOR SLIDING EN-
Claim 2
Dependent Claim
92 words
AN ENCAPSULATED TUNABLE INDUCTOR COMPRISING: (A) A PLASTIC HOUSING HAVING A CENTRALLY LOCATED CYLINDRICAL CAVITY THEREIN CONNECTED TO THE EXTERIOR BY A THREADED HOLE WHOSE AXIS IS COLINEAR WITH THE AXIS OF SAID CAVITY; (B) A WINDING WITH A PLURALITY OF HELICAL TURNS OF WIRE DEFINING A CYLINDRICAL COIL HAVING AN OUTER SURFACE AND AN INNER SURFACE, SAID WINDING BEING CONTAINED IN SAID CAVITY WITH SAID OUTER SURFACE IN SUPPORTING ENGAGEMENT WITH THE SURFACE OF SAID HOUSING DEFINING SAID CYLINDRICAL CAVITY; (C) A TUNING SLUG MOUNTED IN SAID COIL FOR SLIDING EN-
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |