US3092715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for manufacturing fuse links
Assignee: Chase Shawmut Co
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Filing: 1960-05-06
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Granted: 1963-06-04
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Expires: 1980-05-06
Abstract
No abstract record available.
Inventors
- 👤 Harry H Hallas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:47
CPC Classifications
H; H01; H01H; H01H69/00; H01H69/02; H01H85/00; H01H85/02; H01H85/04; H01H85/05; H01H85/055; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49107; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/4921; Y10T29/49211; Y10T428/00; Y10T428/12; Y10T428/12347
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A METHOD FOR MANUFACTURING FUSE LINKS FOR TIMELAG FUSES COMPRISING THE STEPS OF SUPERIMPOSING UNDER PRESSURE UPON A RELATIVELY THIN SHEET DEFINING ZONES OF REDUCED CROSS-SECTIONAL AREA AND HAVING A RELATIVELY LARGE SURFACE AREA AND BEING MADE OF A METAL HAVING A RELATIVELY HIGH FUSING POINT AND A RELATIVELY HIGH CONDUCTIVITY IMMEDIATELY ADJACENT ONE OF SAID ZONES OF REDUCED CROSS-SECTIONAL AREA A RELATIVELY THICK OVERLAY HAVING A RELATIVELY SMALL SURFACE AREA AND BEING MADE OF A LOW FUSING POINT METAL IN THE NATURE OF SOFT SOLDER; AND OF PASSING AN ELECTRIC CURRENT THROUGH SAID SHEET ADJACENT THE INTERFACE BETWEEN SAID SHEET AND SAID OVERLAY, SAID CURRENT BEING SUFFICIENTLY HIGH AND OF SUFFICIENTLY LONG DURATION TO CAUSE FUSION OF SAID OVERLAY AT SAID INTERFACE, AND SAID CURRENT BEING SUFFICIENTLY SMALL AND OF SUFFICIENTLY SHORT DURATION TO PRECLUDE FUSION OF SAID OVERLAY AT PORTIONS THEREOF REMOTE FROM SAID INTERFACE.
Claim 2
Independent Claim
147 words
A METHOD FOR MANUFACTURING FUSE LINKS FOR TIMELAG FUSES COMPRISING THE STEPS OF SUPERIMPOSING UNDER PRESSURE UPON A RELATIVELY THIN SHEET DEFINING ZONES OF REDUCED CROSS-SECTIONAL AREA AND HAVING A RELATIVELY LARGE SURFACE AREA AND BEING MADE OF A METAL HAVING A RELATIVELY HIGH FUSING POINT AND A RELATIVELY HIGH CONDUCTIVITY IMMEDIATELY ADJACENT ONE OF SAID ZONES OF REDUCED CROSS-SECTIONAL AREA A RELATIVELY THICK OVERLAY HAVING A RELATIVELY SMALL SURFACE AREA AND BEING MADE OF A LOW FUSING POINT METAL IN THE NATURE OF SOFT SOLDER; AND OF PASSING AN ELECTRIC CURRENT THROUGH SAID SHEET ADJACENT THE INTERFACE BETWEEN SAID SHEET AND SAID OVERLAY, SAID CURRENT BEING SUFFICIENTLY HIGH AND OF SUFFICIENTLY LONG DURATION TO CAUSE FUSION OF SAID OVERLAY AT SAID INTERFACE, AND SAID CURRENT BEING SUFFICIENTLY SMALL AND OF SUFFICIENTLY SHORT DURATION TO PRECLUDE FUSION OF SAID OVERLAY AT PORTIONS THEREOF REMOTE FROM SAID INTERFACE.
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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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |