Patent US3094600A successfully refreshed from Google Patents.
US3094600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric fuse having improved cap link connection
Assignee: Chase Shawmut Co
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Filing: 1960-12-01
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Granted: 1963-06-18
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Kozacka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:05
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/05; H01H85/143; H01H85/153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
AN ELECTRIC FUSE COMPRISING A TUBULAR CASING OF RELATIVELY RESILIENT INSULATING MATERIAL FORMING A PAIR OF RIMS AT THE AXIALLY OUTER ENDS THEREOF; AN ELONGATED FUSIBLE ELEMENT FORMED BY A LENGTH OF PERFORATED RESILIENT SHEET METAL INSERTED INTO SAID CASING, SAID RIBBON HAVING POINTS ENGAGING ANGULARLY DISPLACED POINTS OF SAID PAIR OF RIMS AND HAVING AXIALLY OUTER ENDS BENT AROUND SAID POINTS OF SAID PAIR OF RIMS TO THE OUTER SURFACE OF SAID CASING; A PAIR OF METAL CAPS HAVING SUBSTANTIALLY FLAT CIRCULAR INNER END SURFACES AND SUBSTANTIALLY CYLINDRICAL INNER LATERAL SURFACES MOUNTED UNDER PRESSURE UPON SAID CASING AND CLOSING SAID AXIALLY OUTER ENDS OF SAID CASING AND PRESSING SAID ENDS OF SAID RIBBON INTO SAID OUTER SURFACE OF SAID CASING TO FORM A PAIR OF LATERAL CAVITIES THEREIN; SOLIDIFIED POOLS OF SOFT SOLDER SUBSTANTIALLY COEXTENSIVE WITH SAID FLAT INNER SURFACES OF SAID PAIR OF CAPS ESTABLISHING SOLDER JOINTS BETWEEN SAID SURFACES AND SAID RIBBON AT SAID POINTS THEREOF ENGAGING SAID PAIR OF RIMS; AND SAID SOLIDIFIED POOLS OF SOFT SOLDER HAVING PROJECTIONS EXTENDING IN A DIRECTION LONGITUDINALLY OF SAID CASING ESTABLISHING SOLDER JOINTS BETWEEN SAID INNER LATERAL SURFACE OF SAID PAIR OF CAPS AND SAID ENDS OF SAID RIBBON SITUATED IN SAID PAIR OF LATERAL CAVITIES, SAID PROJECTIONS BEING FORMED BY SOLIDIFIED SOLDER DRAWN BY CAPILLARY ACTION INTO SAID PAIR OF LATERAL CAVITIES.
Claim 2
Dependent Claim
224 words
AN ELECTRIC FUSE COMPRISING A TUBULAR CASING OF RELATIVELY RESILIENT INSULATING MATERIAL FORMING A PAIR OF RIMS AT THE AXIALLY OUTER ENDS THEREOF; AN ELONGATED FUSIBLE ELEMENT FORMED BY A LENGTH OF PERFORATED RESILIENT SHEET METAL INSERTED INTO SAID CASING, SAID RIBBON HAVING POINTS ENGAGING ANGULARLY DISPLACED POINTS OF SAID PAIR OF RIMS AND HAVING AXIALLY OUTER ENDS BENT AROUND SAID POINTS OF SAID PAIR OF RIMS TO THE OUTER SURFACE OF SAID CASING; A PAIR OF METAL CAPS HAVING SUBSTANTIALLY FLAT CIRCULAR INNER END SURFACES AND SUBSTANTIALLY CYLINDRICAL INNER LATERAL SURFACES MOUNTED UNDER PRESSURE UPON SAID CASING AND CLOSING SAID AXIALLY OUTER ENDS OF SAID CASING AND PRESSING SAID ENDS OF SAID RIBBON INTO SAID OUTER SURFACE OF SAID CASING TO FORM A PAIR OF LATERAL CAVITIES THEREIN; SOLIDIFIED POOLS OF SOFT SOLDER SUBSTANTIALLY COEXTENSIVE WITH SAID FLAT INNER SURFACES OF SAID PAIR OF CAPS ESTABLISHING SOLDER JOINTS BETWEEN SAID SURFACES AND SAID RIBBON AT SAID POINTS THEREOF ENGAGING SAID PAIR OF RIMS; AND SAID SOLIDIFIED POOLS OF SOFT SOLDER HAVING PROJECTIONS EXTENDING IN A DIRECTION LONGITUDINALLY OF SAID CASING ESTABLISHING SOLDER JOINTS BETWEEN SAID INNER LATERAL SURFACE OF SAID PAIR OF CAPS AND SAID ENDS OF SAID RIBBON SITUATED IN SAID PAIR OF LATERAL CAVITIES, SAID PROJECTIONS BEING FORMED BY SOLIDIFIED SOLDER DRAWN BY CAPILLARY ACTION INTO SAID PAIR OF LATERAL CAVITIES.
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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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |