Patent US3132316A successfully refreshed from Google Patents.
US3132316A
Expired / Lapsed
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Toroidol transformer having a core of closed laminations with fluid and non-fluid inslation therebetween
Assignee: Individual
•
Filing: 1955-03-25
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Granted: 1964-05-05
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Expires: 1975-03-25
Abstract
No abstract record available.
Inventors
- 👤 Gustaf W Elmen
- 👤 Edward A Gaugler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:09
CPC Classifications
H; H03; H03F; H03F9/00; H03F9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A TRANSFORMER OF THE CHARACTER DISCLOSED, THE COMBINATION OF A CORE COMPRISING A PLURALITY OF CLOSED RING-SHAPED LAMINATIONS FORMED OF MATERIAL HAVING HIGH SPECIFIC RESISTANCE AND HIGH PRMEABILITY, A NONMAGNETIC CONTAINER FOR THE LAMINATIONS FORMED SO AS TO PERMIT A DEGREE OF FREDOM OF MOVEMENT OF THE LAMINATIONS RADIALLY AND AXIALLY THEREIN, AND A FLUID CONTAINED IN AND SUBSTANTIALLY FILLING THE SPACE BETWEEN SAID LAMINATIONS AND SAID CONTAINER AND ADAPTED TO MOVE BETWEEN THE LAMINATIONS.
Claim 2
Dependent Claim
76 words
IN A TRANSFORMER OF THE CHARACTER DISCLOSED, THE COMBINATION OF A CORE COMPRISING A PLURALITY OF CLOSED RING-SHAPED LAMINATIONS FORMED OF MATERIAL HAVING HIGH SPECIFIC RESISTANCE AND HIGH PRMEABILITY, A NONMAGNETIC CONTAINER FOR THE LAMINATIONS FORMED SO AS TO PERMIT A DEGREE OF FREDOM OF MOVEMENT OF THE LAMINATIONS RADIALLY AND AXIALLY THEREIN, AND A FLUID CONTAINED IN AND SUBSTANTIALLY FILLING THE SPACE BETWEEN SAID LAMINATIONS AND SAID CONTAINER AND ADAPTED TO MOVE BETWEEN THE LAMINATIONS.
References Cited (Backward Citations)
DE218484C
Cited
US2422591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |