US3210604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical system and method of establishing same
Assignee: RT&E Corp
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Filing: 1962-08-27
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Granted: 1965-10-05
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Rolland D Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:31
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/46; H01F; H01F27/00; H01F27/40; H01F27/402; H01F27/404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE COMBINATION WITH TE PRIMARY COIL OF TRANSFORMER, DISPOSED WITHIN AN OIL FILLED CASING, SAID CASING BEING SEALED, OF ELECTRICAL FUSING MEANS, COMPRISING A FIRST FUSE ASSEMBLY CONNECTED IN SERIES WITH SAID COIL AND BEING SEALED WITHIN THE TRANSFORMER CASING SO THAT IT IS INACCESSIBLE WHEREBY REPLACEMENT THEREOF IS ACHIEVED BY OPENING THE CASING TO ENABLE ACCESS TO SAID FIRST FUSE ASSEMBLY; A SECOND FUSE ASSEMBLY CONNECTED IN SERIES WITH SAID COIL AND SAID FIRST FUSE, SAID SEOND FUSE ASSEMBLY BEING DISPOSED WITHIN SAID TRANSFORMER CASING HAVING MEANS FOR REMOVING SAID SECOND FUSE ASSEMBLY FORM OUTSIDE THE CASING,
Claim 2
Dependent Claim
98 words
THE COMBINATION WITH TE PRIMARY COIL OF TRANSFORMER, DISPOSED WITHIN AN OIL FILLED CASING, SAID CASING BEING SEALED, OF ELECTRICAL FUSING MEANS, COMPRISING A FIRST FUSE ASSEMBLY CONNECTED IN SERIES WITH SAID COIL AND BEING SEALED WITHIN THE TRANSFORMER CASING SO THAT IT IS INACCESSIBLE WHEREBY REPLACEMENT THEREOF IS ACHIEVED BY OPENING THE CASING TO ENABLE ACCESS TO SAID FIRST FUSE ASSEMBLY; A SECOND FUSE ASSEMBLY CONNECTED IN SERIES WITH SAID COIL AND SAID FIRST FUSE, SAID SEOND FUSE ASSEMBLY BEING DISPOSED WITHIN SAID TRANSFORMER CASING HAVING MEANS FOR REMOVING SAID SECOND FUSE ASSEMBLY FORM OUTSIDE THE CASING,
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |