US3208019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer with sealed winding enclosure
Assignee: Bruce Peebles and Co Ltd
•
Filing: 1962-11-27
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Granted: 1965-09-21
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Stigant Walter
- 👤 Mcdonald Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:03
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/02; H01F27/025; H01F27/002; H01F27/40; H01F27/402; H01F27/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A TRANSFORMER COMPRISING A CONTAINER HAVING WALLS DEFINING AN ENCLOSURE, A WINDING WITHIN THE CONTAINER, THE CONTAINER BEING ADAPTED TO RECEIVE A COOLING FLUID TO IMMERSE THE WINDING AND TO BE HERMETICALLY SEALED ABOUT THE WINDING AND THE RECEIVED FLUID, SAID WALLS INCLUDING AN INNER WALL WHICH SURROUNDS A SPACE FOR A CORE LEG AND AN OUTER WALL DEFINING AN EXTERNAL SURFACE OF THE COMPLETE TRANSFORMER FOR DIRECT COOLING OF SAID FLUID BY HEAT CONDUCTION THROUGH SAID OUTER WALL FROM THE FLUID TO THE SURROUNDINGS, AND A CORE ASSEMBLED WITH THE CONTAINER AND THE WINDING, SAI CORE INCLUDING A LEG EXTENDING THROUGH SAID CORE SPACE AND BEING ADAPTED TO BE READILY DISSEMBLED FROM THE REASSEMBLED WITH THE CONTAINER AND THE WINDING WHILE THE CONTAINER REMAINS IN HERMETICALLY SEALED CONDITION.
Claim 2
Dependent Claim
129 words
A TRANSFORMER COMPRISING A CONTAINER HAVING WALLS DEFINING AN ENCLOSURE, A WINDING WITHIN THE CONTAINER, THE CONTAINER BEING ADAPTED TO RECEIVE A COOLING FLUID TO IMMERSE THE WINDING AND TO BE HERMETICALLY SEALED ABOUT THE WINDING AND THE RECEIVED FLUID, SAID WALLS INCLUDING AN INNER WALL WHICH SURROUNDS A SPACE FOR A CORE LEG AND AN OUTER WALL DEFINING AN EXTERNAL SURFACE OF THE COMPLETE TRANSFORMER FOR DIRECT COOLING OF SAID FLUID BY HEAT CONDUCTION THROUGH SAID OUTER WALL FROM THE FLUID TO THE SURROUNDINGS, AND A CORE ASSEMBLED WITH THE CONTAINER AND THE WINDING, SAI CORE INCLUDING A LEG EXTENDING THROUGH SAID CORE SPACE AND BEING ADAPTED TO BE READILY DISSEMBLED FROM THE REASSEMBLED WITH THE CONTAINER AND THE WINDING WHILE THE CONTAINER REMAINS IN HERMETICALLY SEALED CONDITION.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |