US3134874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current limiting fuse
Assignee: Westinghouse Electric Corp
•
Filing: 1961-01-30
•
Granted: 1964-05-26
•
Expires: 1981-01-30
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.
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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) | 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 |