US3358255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable inductor
Assignee: Cambridge Thermionic Corp
•
Filing: 1965-06-08
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Granted: 1967-12-12
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Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Digilio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:17
CPC Classifications
H; H01; H01F; H01F21/00; H01F21/02; H01F21/06; H01F29/00; H01F29/08; H01F29/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
AN INDUCTOR DEVICE COMPRISING: AN ELONGATE SUPPORT FORMED AS A UNITARY INSULATING BODY HAVING A HOLE THROUGH ITS ENTIRE LENGTH WITH A COIL FORM PORTION AT ONE END, WITH AN INTERNALLY THREADED ADJUSTMENT SLEEVE PORTION AT THE OTHER END, AND WITH FLANGE MEANS INTERMEDIATE THE COIL FORM PORTION AND THE ADJUSTMENT SLEEVE PORTION; TUNING CORE MEANS WITHIN SAID INSULATING BODY HAVING AT ONE END A TUNING PORTION SLIDABLE WITHIN SAID COIL FORM PORTION AND AT THE OTHER END A THREADED CORE ADJUSTMENT PORTION ENGAGING THE THREAD OF SAID ADJUSTMENT SLEEVE PORTION FOR WITHDRAWAL OF THE TUNING PORTION FROM THE COIL FORM PORTION;
Claim 2
Dependent Claim
102 words
AN INDUCTOR DEVICE COMPRISING: AN ELONGATE SUPPORT FORMED AS A UNITARY INSULATING BODY HAVING A HOLE THROUGH ITS ENTIRE LENGTH WITH A COIL FORM PORTION AT ONE END, WITH AN INTERNALLY THREADED ADJUSTMENT SLEEVE PORTION AT THE OTHER END, AND WITH FLANGE MEANS INTERMEDIATE THE COIL FORM PORTION AND THE ADJUSTMENT SLEEVE PORTION; TUNING CORE MEANS WITHIN SAID INSULATING BODY HAVING AT ONE END A TUNING PORTION SLIDABLE WITHIN SAID COIL FORM PORTION AND AT THE OTHER END A THREADED CORE ADJUSTMENT PORTION ENGAGING THE THREAD OF SAID ADJUSTMENT SLEEVE PORTION FOR WITHDRAWAL OF THE TUNING PORTION FROM THE COIL FORM PORTION;
References Cited (Backward Citations)
US2430990A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |