US3113193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric striker pin fuses for elevated circuit voltages
Assignee: Chase Shawmut Co
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Filing: 1962-04-26
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Granted: 1963-12-03
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Expires: 1982-04-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Philip C Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:59
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/30; H01H85/303; H01H85/306
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN ELECTRIC FUSE COMPRISING IN COMBINATION: A TUBULAR CASING OF INSULATING MATERIAL; A PAIR OF TERMINAL ELEMENTS CLOSING THE ENDS OF SAID CASING; FUSE LINK MEANS CONDUCTIVELY INTERCONNECTING SAID PAIR OF TERMINAL ELEMENTS; A STRIKER PIN HAVING A RESTRAINED POSITION AND AN UNRESTRAINED POSITION ARRANGED ADJACENT ONE OF SAID PAIR OF TERMINAL ELEMENTS; MEANS BIASING SAID STRIKER PIN FROM SAID RESTRAINED POSITION TOWARD SAID UNRESTRAINED POSITION THEREOF; A FUSIBLE RESTRAINING CONDUCTOR OF STEEL ARRANGED TO FORM A SHUNT PATH AT LEAST ACROSS A PORTION OF SAID FUSE LINK MEANS AND NORMALLY RESTRAINING SAID STRIKER PIN IN SAID RESTRAINED POSITION THEREOF; A PULVERULENT FULGARITE-FORMING ARC-QUENCHING FILLER IN SAID CASING, SAID FUSE LINK MEANS AND SAID RESTRAINING CONDUCTOR BEING SUBMERSED IN SAID FILLER; AND AN ADDITIONAL NON-METALLIC RESISTOR INCLUDED IN SAID RESTRAINING CONDUCTOR.
Claim 2
Dependent Claim
131 words
AN ELECTRIC FUSE COMPRISING IN COMBINATION: A TUBULAR CASING OF INSULATING MATERIAL; A PAIR OF TERMINAL ELEMENTS CLOSING THE ENDS OF SAID CASING; FUSE LINK MEANS CONDUCTIVELY INTERCONNECTING SAID PAIR OF TERMINAL ELEMENTS; A STRIKER PIN HAVING A RESTRAINED POSITION AND AN UNRESTRAINED POSITION ARRANGED ADJACENT ONE OF SAID PAIR OF TERMINAL ELEMENTS; MEANS BIASING SAID STRIKER PIN FROM SAID RESTRAINED POSITION TOWARD SAID UNRESTRAINED POSITION THEREOF; A FUSIBLE RESTRAINING CONDUCTOR OF STEEL ARRANGED TO FORM A SHUNT PATH AT LEAST ACROSS A PORTION OF SAID FUSE LINK MEANS AND NORMALLY RESTRAINING SAID STRIKER PIN IN SAID RESTRAINED POSITION THEREOF; A PULVERULENT FULGARITE-FORMING ARC-QUENCHING FILLER IN SAID CASING, SAID FUSE LINK MEANS AND SAID RESTRAINING CONDUCTOR BEING SUBMERSED IN SAID FILLER; AND AN ADDITIONAL NON-METALLIC RESISTOR INCLUDED IN SAID RESTRAINING CONDUCTOR.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |