US3194925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical fuses immersed in a dielectric fluid
Assignee: EK Cole Ltd
•
Filing: 1961-05-29
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Granted: 1965-07-13
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Expires: 1981-05-29
Abstract
No abstract record available.
Inventors
- 👤 Victor J Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:38
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/47; H01H85/04; H01H85/041; H01H85/046; H01H85/38; H01H85/40; H01H85/0039; H01H85/0043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN AN ELECTRIC FUSE, A THIN METALLIC FILM FUSIBLE ELEMENT CONNECTED BETWEEN TWO END TERMINALS, AN INSULATING SUPPORT SUPPORTING SAID THIN METALLIC FILM FUSIBLE ELEMENT, SAID THIN METALLIC FILM ELEMENT HAVING A NARROW PORTION BETWEEN TWO BROAD PORTIONS, THE NARROW PORTION THEREOF BEING DIMENSIONED TO CONTROL THE CURRENT CARRYING CAPACITY OF THE FUSE WITH SAID BROAD PORTIONS BEING CONNECTED TO SAID END TERMINALS, A CONTAINER CONTAINING SAID ELEMENT AND SUPPORTING SAID TERMINALS, IN SAID CONTAINER A HEAT DISSIPATING DIELECTRIC LIQUID IMMERSING THE ELEMENT AND WHOSE TEMPERATURE OF VAPORISATION IS BELOW THE TEM-
Claim 2
Dependent Claim
92 words
IN AN ELECTRIC FUSE, A THIN METALLIC FILM FUSIBLE ELEMENT CONNECTED BETWEEN TWO END TERMINALS, AN INSULATING SUPPORT SUPPORTING SAID THIN METALLIC FILM FUSIBLE ELEMENT, SAID THIN METALLIC FILM ELEMENT HAVING A NARROW PORTION BETWEEN TWO BROAD PORTIONS, THE NARROW PORTION THEREOF BEING DIMENSIONED TO CONTROL THE CURRENT CARRYING CAPACITY OF THE FUSE WITH SAID BROAD PORTIONS BEING CONNECTED TO SAID END TERMINALS, A CONTAINER CONTAINING SAID ELEMENT AND SUPPORTING SAID TERMINALS, IN SAID CONTAINER A HEAT DISSIPATING DIELECTRIC LIQUID IMMERSING THE ELEMENT AND WHOSE TEMPERATURE OF VAPORISATION IS BELOW THE TEM-
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |