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US3134874A Expired / Lapsed US ⏱️ 0.0 years remaining

Current limiting fuse

Assignee: Westinghouse Electric Corp
•
Filing: 1961-01-30
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Granted: 1964-05-26
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Expires: 1981-01-30
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Abstract

No abstract record available.

Inventors

  • 👤 Frank L Cameron

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:38
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/042

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 102 words
A FUSE, COMPRISING: A TUBULAR FUSE HOLDER; SPACED TERMINAL MEANS IN SAID HOLDER; ELONGATED FUSIBLE CONDUCTOR MEANS OF THE FLAT RIBBON TYPE CONNECTED BETWEEN SAID TERMINAL MEANS; SAID FUSIBLE CONDUCTOR HAVING PORTIONS EACH PREBENT AT AN OBTUSE ANGLE AT A PLURALITY OF EQUALLY SPACED POINTS ALONG SUBSTANTIALLY ITS ENTIRE LENGTH TO DISTRIBUTE FLEXING OF THE FUSIBLE CONDUCTOR AMONG THE VERTICES OF THE ANGLES TO LIMIT THE STRESS AT ANY ONE POINT OF SAID FUSIBLE CONDUCTOR MEANS AND PREVENT A FATIGUE FAILURE WHEN THE FUSIBLE CONDUCTOR EXPANDS AND CONTRACTS UNDER CHANGING LOAD; AND ARC QUENCHING MEANS SURROUNDING THE FUSIBLE MEANS IN SAID HOLDER.
Claim 2
Dependent Claim 102 words
A FUSE, COMPRISING: A TUBULAR FUSE HOLDER; SPACED TERMINAL MEANS IN SAID HOLDER; ELONGATED FUSIBLE CONDUCTOR MEANS OF THE FLAT RIBBON TYPE CONNECTED BETWEEN SAID TERMINAL MEANS; SAID FUSIBLE CONDUCTOR HAVING PORTIONS EACH PREBENT AT AN OBTUSE ANGLE AT A PLURALITY OF EQUALLY SPACED POINTS ALONG SUBSTANTIALLY ITS ENTIRE LENGTH TO DISTRIBUTE FLEXING OF THE FUSIBLE CONDUCTOR AMONG THE VERTICES OF THE ANGLES TO LIMIT THE STRESS AT ANY ONE POINT OF SAID FUSIBLE CONDUCTOR MEANS AND PREVENT A FATIGUE FAILURE WHEN THE FUSIBLE CONDUCTOR EXPANDS AND CONTRACTS UNDER CHANGING LOAD; AND ARC QUENCHING MEANS SURROUNDING THE FUSIBLE MEANS IN SAID HOLDER.

References Cited (Backward Citations)

US988873A Cited
US2157906A Cited
US2209823A Cited
US2148803A Cited
GB541116A Cited
US2682587A Cited
US2599646A Cited
US2828390A Cited
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US2866037A Cited
US2866040A Cited
US3061700A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-26 1967-11-25 1968-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-26 1971-11-25 1972-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-26 1975-11-25 1976-05-26 $7700.00 Window Closed / Lapsed

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