Patent US3360752A successfully refreshed from Google Patents.
US3360752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer housing construction
Assignee: R E UPTEGRAFF MANUFACTURING Co
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Filing: 1966-03-14
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Granted: 1967-12-26
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Roy E Uptegraff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:28
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/02; H01F27/022; H01F27/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
AN IMPROVED DRY TRANSFORMER HOUSING CONSTRUCTION WHICH COMPRISES, AN UPRIGHT WALL ENCLOSURE DEFINING A TRANSFORMER POSITIONING CHAMBER THEREIN AND HAVING OPEN TOP AND BOTTOM END PORTIONS, A TRAY HAVING A BOTTOM CLOSURE WALL IN A SPACED RELATION BELOW THE OPEN BOTTOM END PORTION OF SAID UPRIGHT ENCLOSURE AND HAVING A RIM FLANGE EXTENDING UPWARDLY FROM SAID BOTTOM CLOSURE WALL ALONG AND ABOUT SAID UPRIGHT ENCLOSURE TO DEFINE OPPOSED VERTICAL AIR INLET PASSAGEWAYS THEREBETWEEN IN SUCH A MANNER AS TO PREVENT THE INTRODUCTION OF A ROD OR THE LIKE SUBSTANTIALLY HORIZONTALLY WITHIN THE TRANSFORMER CHAMBER, MEANS SECURING SAID TRAY IN ITS DEFINED POSITIONING WITH RESPECT TO SAID UPRIGHT ENCLOSURE, A LID HAVING A TOP CLOSURE WALL IN A SPACED RELATION ABOVE THE OPEN TOP END PORTION OF SAID UPRIGHT ENCLOSURE AND HAVING A RIM FLANGE EXTENDING DOWNWARDLY FROM TOP CLOSURE WALL ALONG AND ABOUT SAID UPRIGHT ENCLOSURE TO DEFINE OPPOSED VERTICAL AIR OUTLET PASSAGEWAYS THEREBETWEEN IN SUCH A MANNER AS TO PREVENT THE INTRODUCTION OF A ROD OR THE LIKE SUBSTANTIALLY HORIZONTALLY WITHIN THE TRANSFORMER CHAMBER, AND MEANS SECURING SAID LID IN ITS DEFINED POSITIONING WITH RESPECT TO SAID UPRIGHT ENCLOSURE.
Claim 2
Dependent Claim
190 words
AN IMPROVED DRY TRANSFORMER HOUSING CONSTRUCTION WHICH COMPRISES, AN UPRIGHT WALL ENCLOSURE DEFINING A TRANSFORMER POSITIONING CHAMBER THEREIN AND HAVING OPEN TOP AND BOTTOM END PORTIONS, A TRAY HAVING A BOTTOM CLOSURE WALL IN A SPACED RELATION BELOW THE OPEN BOTTOM END PORTION OF SAID UPRIGHT ENCLOSURE AND HAVING A RIM FLANGE EXTENDING UPWARDLY FROM SAID BOTTOM CLOSURE WALL ALONG AND ABOUT SAID UPRIGHT ENCLOSURE TO DEFINE OPPOSED VERTICAL AIR INLET PASSAGEWAYS THEREBETWEEN IN SUCH A MANNER AS TO PREVENT THE INTRODUCTION OF A ROD OR THE LIKE SUBSTANTIALLY HORIZONTALLY WITHIN THE TRANSFORMER CHAMBER, MEANS SECURING SAID TRAY IN ITS DEFINED POSITIONING WITH RESPECT TO SAID UPRIGHT ENCLOSURE, A LID HAVING A TOP CLOSURE WALL IN A SPACED RELATION ABOVE THE OPEN TOP END PORTION OF SAID UPRIGHT ENCLOSURE AND HAVING A RIM FLANGE EXTENDING DOWNWARDLY FROM TOP CLOSURE WALL ALONG AND ABOUT SAID UPRIGHT ENCLOSURE TO DEFINE OPPOSED VERTICAL AIR OUTLET PASSAGEWAYS THEREBETWEEN IN SUCH A MANNER AS TO PREVENT THE INTRODUCTION OF A ROD OR THE LIKE SUBSTANTIALLY HORIZONTALLY WITHIN THE TRANSFORMER CHAMBER, AND MEANS SECURING SAID LID IN ITS DEFINED POSITIONING WITH RESPECT TO SAID UPRIGHT ENCLOSURE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |