US3201729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic device with potted coil
Assignee: Individual
•
Filing: 1960-02-26
•
Granted: 1965-08-17
•
Expires: 1980-02-26
Abstract
No abstract record available.
Inventors
- 👤 Blanchi Serge
- 👤 Musset Alfred De
- 👤 Lacour Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:26
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/0206; H01F41/0246; H01F27/00; H01F27/24; H01F27/255; H01F7/00; H01F7/06; H01F17/00; H01F17/04; H01F2017/048; H01H; H01H50/00; H01H50/16; H01H2050/166
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
AN ELECTROMAGNETIC DEVICE COMPRISING A UNITARY BODY CONSISTING OF A NON-CONDUCTIVE MASS OF A SYNTHETIC RESIN HAVING A MULTIPLICITY OF FERROMAGNETIC PARTICLES DISTRIBUTED THEREIN, A CONDUCTIVE COIL IMBEDDED IN AND SURROUNDED BY SAID MASS, SAID COIL HAVING AT LEAST TWO TERMINAL LEADS EXTENDING WHOLLY WITHIN SAID MASS, AT LEAST TWO TERMINALS RESPECTIVELY CONNECTED WITH SAID LEADS AND PROJECTING FROM SAID BODY WHILE BEING FIRMLY MOUNTED THEREON, SAID MASS PERMEATING THE INTERIOR OF SAID COIL AND FORMING A CORE THEREIN INTEGRAL WITH THE PORTION OF SAID MASS SURROUNDING SAID COIL, AND A TUBE OF MAGENTICALLY PERMEABLE SHEET MATERIAL SURROUNDING SAID CORE AND SEPARATING IT FROM SAID COIL, SAID TUBE BEING PROVIDED WITH PERFORATIONS PERMEATED BY SAID MASS.
Claim 2
Dependent Claim
116 words
AN ELECTROMAGNETIC DEVICE COMPRISING A UNITARY BODY CONSISTING OF A NON-CONDUCTIVE MASS OF A SYNTHETIC RESIN HAVING A MULTIPLICITY OF FERROMAGNETIC PARTICLES DISTRIBUTED THEREIN, A CONDUCTIVE COIL IMBEDDED IN AND SURROUNDED BY SAID MASS, SAID COIL HAVING AT LEAST TWO TERMINAL LEADS EXTENDING WHOLLY WITHIN SAID MASS, AT LEAST TWO TERMINALS RESPECTIVELY CONNECTED WITH SAID LEADS AND PROJECTING FROM SAID BODY WHILE BEING FIRMLY MOUNTED THEREON, SAID MASS PERMEATING THE INTERIOR OF SAID COIL AND FORMING A CORE THEREIN INTEGRAL WITH THE PORTION OF SAID MASS SURROUNDING SAID COIL, AND A TUBE OF MAGENTICALLY PERMEABLE SHEET MATERIAL SURROUNDING SAID CORE AND SEPARATING IT FROM SAID COIL, SAID TUBE BEING PROVIDED WITH PERFORATIONS PERMEATED BY SAID MASS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |