US3120594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament fuse tube
Assignee: Southern States LLC
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Filing: 1961-02-06
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Granted: 1964-02-04
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Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 William H Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:56
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/38; H01H85/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
AN ELECTRIC FUSE COMPRISING A HOLLOW SLEEVE OF CONDUCTING MATERIAL HAVING AN IRREGULARLY CONFIGURED EXTERIOR SURFACE PORTION, A HOLLOW FUSE TUBE FORMED OF INSULATING FILAMENT AND HAVING ONE END COAXIALLY DISPOSED ABOUT SAID IRREGULARLY CONFIGURED EXTERIOR SURFACE PORTION OF SAID SLEEVE, THE IRREGULAR CONFIGURATION OF SAID SLEEVE IN COOPERATION WITH SAID FILAMENT FORMING A SECURE JUNCTION BETWEEN THE FUSE TUBE AND SLEEVE, SAID FILAMENT BEING WOUND ON SAID SLEEVE AT AN ANGLE OTHER THAN A RIGHT ANGLE TO THE AXIS OF THE TUBE AND SLEEVE, EPOXY RESIN INTERMINGLED WITH SAID FILAMENT AND FORMING THEREWITH A MASS OF SUBSTANTIAL MECHANICAL STRENGTH, A FUSE LINK DISPOSED WITHIN SAID TUBE AND HAVING A BUTTON HEAD IN ENGAGEMENT WITH THE OUTER END OF SAID SLEEVE TO FORM ELECTRICAL CONTACT THEREWITH, AND TERMINAL MEANS MOUNTED ON AND CONNECTED WITH SAID SLEEVE.
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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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |