US3291941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current-limiting fuse precluding overshoot op the let-through current peak over the fusing current peak
Assignee: GOLUD INC A DE CORP
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Filing: —
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Granted: 1966-12-13
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Expires: 1983-12-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:07
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A CURRENT-LIMITING FUSE PRECLUDING OVERSHOOT OF THE LET-THROUGH CURRENT PEAK OVER THE FUSING CURRENT PEAK COMPRISING IN COMBINATION: (A) A TUBULAR CASING OF INSULATING MATERIAL; (B) A PAIR OF TERMINAL ELEMENTS CLOSING THE ENDS OF SAID CASING, (C) A PULVERULENT ARC-QUENCHING FILLER INSIDE SAID CASING; (D) A FUSIBLE ELEMENT IN RIBBON-FORM INSIDE SAID CASING, SUBMERSED IN SAID FILLER AND CONDUCTIVELY INTERCONNECTING SAID PAIR OF TERMINAL ELEMENTS, SAID FUSIBLE ELEMENT DEFINING A PLURALITY OF SERIALLY RELATED POINTS OF REDUCED CROSS-SECTIONAL AREA; AND (E) SANDWICH PLATE MEANS OF A GAS-EVOLVING INSULATING MATERIAL FOR SAID FUSIBLE ELEMENT ARRANGED TO SANDWICH ONLY PORTIONS OF SAID FUSIBLE ELEMENT SITUATED BETWEEN SAID PLURALITY OF POINTS OF REDUCED CROSSSECTIONAL AREA AND TO EXPOSE ALL OF SAID PLURALITY OF POINTS OF REDUCED CROSS-SECTIONAL AREA TO THE IMMEDIATE ACTION OF SAID ARC-QUENCHING FILLER.
Claim 2
Dependent Claim
134 words
A CURRENT-LIMITING FUSE PRECLUDING OVERSHOOT OF THE LET-THROUGH CURRENT PEAK OVER THE FUSING CURRENT PEAK COMPRISING IN COMBINATION: (A) A TUBULAR CASING OF INSULATING MATERIAL; (B) A PAIR OF TERMINAL ELEMENTS CLOSING THE ENDS OF SAID CASING, (C) A PULVERULENT ARC-QUENCHING FILLER INSIDE SAID CASING; (D) A FUSIBLE ELEMENT IN RIBBON-FORM INSIDE SAID CASING, SUBMERSED IN SAID FILLER AND CONDUCTIVELY INTERCONNECTING SAID PAIR OF TERMINAL ELEMENTS, SAID FUSIBLE ELEMENT DEFINING A PLURALITY OF SERIALLY RELATED POINTS OF REDUCED CROSS-SECTIONAL AREA; AND (E) SANDWICH PLATE MEANS OF A GAS-EVOLVING INSULATING MATERIAL FOR SAID FUSIBLE ELEMENT ARRANGED TO SANDWICH ONLY PORTIONS OF SAID FUSIBLE ELEMENT SITUATED BETWEEN SAID PLURALITY OF POINTS OF REDUCED CROSSSECTIONAL AREA AND TO EXPOSE ALL OF SAID PLURALITY OF POINTS OF REDUCED CROSS-SECTIONAL AREA TO THE IMMEDIATE ACTION OF SAID ARC-QUENCHING FILLER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |