US3080463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge fuses
Assignee: Chase Shawmut Co
•
Filing: 1960-12-23
•
Granted: 1963-03-05
•
Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Kozacka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:10
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/044; H01H85/045; H01H85/0456; H01H85/0013; H01H85/0017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN ELECTRIC CARTRIDGE FUSE COMPRISING IN COMBINATION A TUBULAR CASING OF INSULATING MATERIAL; A PULVERULENT ARCQUENCHING FILLER INSIDE OF SAID CASING; A PAIR OF TERMINAL CAPS CLOSING THE ENDS OF SAID CASING; A PAIR OF ALIGNED BLADE CONTACTS PROJECTING TRANSVERSELY ACROSS SAID PAIR OF CAPS AND HAVING AXIALLY INNER EDGES ARRANGED INSIDE SAID CASING DEFINING A GAP THEREBETWEEN; A STRIP OF INSULATING MATERIAL ALIGNED WITH SAID PAIR OF BLADE CONTACTS, ARRANGED IN SAID GAP, AND HAVING AXIALLY OUTER EDGES IN ABUTTING RELATION WITH SAID AXIALLY INNER EDGES OF SAID PAIR OF BLADE CONTACTS; A RIBBON FUSE LINK OF A METAL HAVING A RELATIVELY HIGH CONDUCTIVITY AND A RELATIVELY SMALL FUSING ENERGY ARRANGED SUBSTANTIALLY PARALLEL TO SAID STRIP, SAID LINK BEING SUBMERSED IN SAID FILLER AND HAVING AXIALLY OUTER ENDS EXTENDING AXIALLY OUTWARDLY BEYOND SAID AXIALLY OUTER EDGES OF SAID STRIP EACH OVERLAPPING AND CONDUCTIVELY CONNECTED TO THE OUTER SURFACE OF ONE OF SAID PAIR OF BLADE CONTACTS; AND FASTENER MEANS PROJECTING TRANSVERSELY THROUGH SAID STRIP AND SAID LINK SECURING SAID STRIP TO SAID LINK.
Claim 2
Dependent Claim
174 words
AN ELECTRIC CARTRIDGE FUSE COMPRISING IN COMBINATION A TUBULAR CASING OF INSULATING MATERIAL; A PULVERULENT ARCQUENCHING FILLER INSIDE OF SAID CASING; A PAIR OF TERMINAL CAPS CLOSING THE ENDS OF SAID CASING; A PAIR OF ALIGNED BLADE CONTACTS PROJECTING TRANSVERSELY ACROSS SAID PAIR OF CAPS AND HAVING AXIALLY INNER EDGES ARRANGED INSIDE SAID CASING DEFINING A GAP THEREBETWEEN; A STRIP OF INSULATING MATERIAL ALIGNED WITH SAID PAIR OF BLADE CONTACTS, ARRANGED IN SAID GAP, AND HAVING AXIALLY OUTER EDGES IN ABUTTING RELATION WITH SAID AXIALLY INNER EDGES OF SAID PAIR OF BLADE CONTACTS; A RIBBON FUSE LINK OF A METAL HAVING A RELATIVELY HIGH CONDUCTIVITY AND A RELATIVELY SMALL FUSING ENERGY ARRANGED SUBSTANTIALLY PARALLEL TO SAID STRIP, SAID LINK BEING SUBMERSED IN SAID FILLER AND HAVING AXIALLY OUTER ENDS EXTENDING AXIALLY OUTWARDLY BEYOND SAID AXIALLY OUTER EDGES OF SAID STRIP EACH OVERLAPPING AND CONDUCTIVELY CONNECTED TO THE OUTER SURFACE OF ONE OF SAID PAIR OF BLADE CONTACTS; AND FASTENER MEANS PROJECTING TRANSVERSELY THROUGH SAID STRIP AND SAID LINK SECURING SAID STRIP TO SAID LINK.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |