US3304394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-encased electric fuses
Assignee: McGraw Edison Co
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Filing: 1964-11-06
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Granted: 1967-02-14
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Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Urani Angelo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:30
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/041; H01H85/0411
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
AN ELECTRIC FUSE THAT COMPRISES: (A) A GLASS TUBE, (B) EYELETS HAVING PORTION THEREOF DISPOSED WITHIN, AND HEAT SEALED TO, THE ENDS OF SAID TUBE, (C) A FUSIBLE ELEMENT EXTENDING THROUGH SAID EYELETS AND THROUGH SAID TUBE, (D) LEADS WHICH HAVE ENDS EXTENDING INTO SAID EYELETS, AND (E) SOLDER THAT CLOSES SAID EYELETS, (F) SAID SOLDER ELECTRICALLY BONDING SAID LEADS TO SAID FUSIBLE ELEMENTS AND HERMETICALLY CLOSING AND SEALING SAID EYELETS. (G) SAID EYELETS HAVING OTHER PORTIONS THEREOF PROJECTING TRANSVERSELY OUTWARDLY OF SAID ENDS OF SAID GLASS ING TRANSVERSELY OUTWARDLY OF SAID ENDS OF SAID GLASS BARRIERS BETWEEN SAID SOLDER AND THE OUTER SURFACE OF SAID GLASS TUBE, THEREBY LIMITING THE EXTENT TO WHICH SAID SOLDER CAN EXTEND TOWARD THE ENDS OF SAID GLASS TUBE.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |