US3243504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal insulators
Assignee: Individual
•
Filing: 1964-09-04
•
Granted: 1966-03-29
•
Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Russell W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A TERMINAL INSULATOR FOR TRANSFORMERS COMPRISING IN COMBINATION, A GENERALLY CUP-SHAPED HOUSING HAVING A GENERALLY TUBULAR BODY OF CIRCULAR CROSS SECTION, SAID HOUSING ALSO COMPRISING A GENERALLY DOME-SHAPED END WALL AT ONE END OF SAID TUBULAR BODY TO PROVIDE A CLOSED END FOR SAID BODY, SAID BODY BEING FORMED WITH A LONGITUDINAL SLOT EXTENDING FROM THE MARGINAL EDGE OF THE OPEN END OF SAID HOUSING TO THE CLOSED END THEREOF ADJACENT SAID END WALL, SAID BODY ALSO BEING FORMED WITH A TRANSVERSE SLOT INTERSECTING SAID LONGITUDINAL SLOT TO PROVIDE A PAIR OF GENERALLY FLEXIBLE WALL PORTIONS ON OPPOSITE SIDES OF SAID LONGITUDINAL SLOT, SAID BODY FURTHER BEING FORMED WITH A RELATIVELY LARGE OPENING AT THE INTERSECTION OF SAID LONGITUDINAL AND TRANSVERSE SLOTS TO LOOSELY RECEIVE AN ELECTRICAL CONDUCTOR, TUBULAR INSULATION WITHIN SAID HOUS-
Claim 2
Dependent Claim
133 words
A TERMINAL INSULATOR FOR TRANSFORMERS COMPRISING IN COMBINATION, A GENERALLY CUP-SHAPED HOUSING HAVING A GENERALLY TUBULAR BODY OF CIRCULAR CROSS SECTION, SAID HOUSING ALSO COMPRISING A GENERALLY DOME-SHAPED END WALL AT ONE END OF SAID TUBULAR BODY TO PROVIDE A CLOSED END FOR SAID BODY, SAID BODY BEING FORMED WITH A LONGITUDINAL SLOT EXTENDING FROM THE MARGINAL EDGE OF THE OPEN END OF SAID HOUSING TO THE CLOSED END THEREOF ADJACENT SAID END WALL, SAID BODY ALSO BEING FORMED WITH A TRANSVERSE SLOT INTERSECTING SAID LONGITUDINAL SLOT TO PROVIDE A PAIR OF GENERALLY FLEXIBLE WALL PORTIONS ON OPPOSITE SIDES OF SAID LONGITUDINAL SLOT, SAID BODY FURTHER BEING FORMED WITH A RELATIVELY LARGE OPENING AT THE INTERSECTION OF SAID LONGITUDINAL AND TRANSVERSE SLOTS TO LOOSELY RECEIVE AN ELECTRICAL CONDUCTOR, TUBULAR INSULATION WITHIN SAID HOUS-
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |