US3294938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric fuse having balanced low current interrupting performance and high current interrupting performance
Assignee: GOLUD INC A DE CORP
•
Filing: 1965-10-21
•
Granted: 1966-12-27
•
Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Kozacka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:15
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/044; H01H85/045; H01H85/0458; H01H85/05; H01H85/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN ELECTRIC FUSE COMPRISING IN COMBINATION: (A) A SUBSTANTIALLY TUBULAR CASING OF INSULATING MATERIAL; (B) A PAIR OF TERMINAL ELEMENTS CLOSING THE ENDS OF SAID CASING; (C) A FUSIBLE RIBBON OF A HIGH CONDUCTIVITY HIGH FUSING POINT METAL HAVING A RELATIVELY LARGE CURRENT-CARRYING CAPACITY CONDUCTIVELY INTERCONNECTING SAID PAIR OF TERMINAL ELEMENTS; (D) AN ADDITIONAL FUSIBLE ELEMENT HAVING A RELATIVELY SMALL CURRENT CARRYING CAPACITY CONDUCTIVELY INTERCONNECTING SAID PAIR OF TERMINAL ELEMENTS; (E) A SLEEVE OF WOVEN GLASS CLOTH ENVELOPING SAID ADDITIONAL FUSIBLE ELEMENT; AND (F) A BODY OF QUARTZ SAND FINER THAN 40 U.S. STANDARD SIEVE NUMBER SIZE BUT COARSER THAN 100 U.S. STANDARD SIEVE NUMBER SIZE INSIDE SAID CASING LATERALLY SURROUNDING SAID FIRST FUSIBLE ELEMENT AND LATERALLY SURROUNDING SAID SLEEVE OF WOVEN GLASS CLOTH.
Claim 2
Dependent Claim
124 words
AN ELECTRIC FUSE COMPRISING IN COMBINATION: (A) A SUBSTANTIALLY TUBULAR CASING OF INSULATING MATERIAL; (B) A PAIR OF TERMINAL ELEMENTS CLOSING THE ENDS OF SAID CASING; (C) A FUSIBLE RIBBON OF A HIGH CONDUCTIVITY HIGH FUSING POINT METAL HAVING A RELATIVELY LARGE CURRENT-CARRYING CAPACITY CONDUCTIVELY INTERCONNECTING SAID PAIR OF TERMINAL ELEMENTS; (D) AN ADDITIONAL FUSIBLE ELEMENT HAVING A RELATIVELY SMALL CURRENT CARRYING CAPACITY CONDUCTIVELY INTERCONNECTING SAID PAIR OF TERMINAL ELEMENTS; (E) A SLEEVE OF WOVEN GLASS CLOTH ENVELOPING SAID ADDITIONAL FUSIBLE ELEMENT; AND (F) A BODY OF QUARTZ SAND FINER THAN 40 U.S. STANDARD SIEVE NUMBER SIZE BUT COARSER THAN 100 U.S. STANDARD SIEVE NUMBER SIZE INSIDE SAID CASING LATERALLY SURROUNDING SAID FIRST FUSIBLE ELEMENT AND LATERALLY SURROUNDING SAID SLEEVE OF WOVEN GLASS CLOTH.
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |