US3261952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time-lag fuse with ribbon fuse link having two systems of bends
Assignee: GOLUD INC A DE CORP
•
Filing: 1964-11-30
•
Granted: 1966-07-19
•
Expires: 1984-11-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Kozacka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:54
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/04; H01H85/05; H01H85/055; H01H85/08; H01H85/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
AN ELECTRIC FUSE COMPRISING IN COMBINATION: A TUBULAR CASING OF INSULATING MATERIAL; ELECTROCONDUCTIVE TERMINAL ELEMENTS ARRANGED AT THE ENDS OF SAID CASING; A PULVERULENT ARC-QUENCHING FILLER INSIDE OF SAID CASING; A RIBBON FUSE LINK OF A CURRENT-LIMITING METAL INSIDE SAID CASING, SUBMERSED IN SAID FILLER, CONDUCTIVELY INTERCONNECTING SAID TERMINAL ELEMENTS, SAID FUSE LINK INCLUDING A PERFORATED CENTER PORTION HAVING A PREDETERMINED MAXIMUM CROSS-SECTIONAL AREA AND A PREDETERMINED MINIMUM CROSS-SECTIONAL AREA, SAID CENTER PORTION BEING FOLDED TRANSVERSELY TO DEFINE A DUCT EXTENDING IN A DIRECTION LONGITUDINALLY OF SAID CASING, A LINK SEVERING OVERLAY OF A METAL HAVING A FUSING POINT LOWER THAN THE FUSING POINT OF SAID CURRENT-LIMITING METAL SUPPORTED BY SAID CENTER PORTION OF SAID FUSE LINK; SAID FUSE LINK FURTHER INCLUDING A PAIR OF CONNECTOR TABS EACH OF ONE OF THE AXIALLY OUTER ENDS OF SAID CENTER PORTION, EACH OF SAID PAIR OF CONNECTOR TABS HAVING A SUBSTANTIALLY SMALLER CROSS-SECTIONAL AREA THAN SAID MAXIMUM CROSS-SECTIONAL AREA OF SAID CENTER PORTION AND HAVING A LARGER CROSS-SECTIONAL AREA THAN SAID MINIMUM CROSS-SECTIONAL AREA OF SAID CENTER PORTION, AND EACH OF SAID PAIR OF CONNECTOR TABS BEING FOLDED TWICE IN A DIRECTION LONGITUDINALLY OF SAID CASING TO FORM A PAIR OF LOOPS BOTH EXTENDING SUBSTANTIALLY IN A DIRECTION LONGITUDINALLY OF SAID CASING.
Claim 2
Dependent Claim
210 words
AN ELECTRIC FUSE COMPRISING IN COMBINATION: A TUBULAR CASING OF INSULATING MATERIAL; ELECTROCONDUCTIVE TERMINAL ELEMENTS ARRANGED AT THE ENDS OF SAID CASING; A PULVERULENT ARC-QUENCHING FILLER INSIDE OF SAID CASING; A RIBBON FUSE LINK OF A CURRENT-LIMITING METAL INSIDE SAID CASING, SUBMERSED IN SAID FILLER, CONDUCTIVELY INTERCONNECTING SAID TERMINAL ELEMENTS, SAID FUSE LINK INCLUDING A PERFORATED CENTER PORTION HAVING A PREDETERMINED MAXIMUM CROSS-SECTIONAL AREA AND A PREDETERMINED MINIMUM CROSS-SECTIONAL AREA, SAID CENTER PORTION BEING FOLDED TRANSVERSELY TO DEFINE A DUCT EXTENDING IN A DIRECTION LONGITUDINALLY OF SAID CASING, A LINK SEVERING OVERLAY OF A METAL HAVING A FUSING POINT LOWER THAN THE FUSING POINT OF SAID CURRENT-LIMITING METAL SUPPORTED BY SAID CENTER PORTION OF SAID FUSE LINK; SAID FUSE LINK FURTHER INCLUDING A PAIR OF CONNECTOR TABS EACH OF ONE OF THE AXIALLY OUTER ENDS OF SAID CENTER PORTION, EACH OF SAID PAIR OF CONNECTOR TABS HAVING A SUBSTANTIALLY SMALLER CROSS-SECTIONAL AREA THAN SAID MAXIMUM CROSS-SECTIONAL AREA OF SAID CENTER PORTION AND HAVING A LARGER CROSS-SECTIONAL AREA THAN SAID MINIMUM CROSS-SECTIONAL AREA OF SAID CENTER PORTION, AND EACH OF SAID PAIR OF CONNECTOR TABS BEING FOLDED TWICE IN A DIRECTION LONGITUDINALLY OF SAID CASING TO FORM A PAIR OF LOOPS BOTH EXTENDING SUBSTANTIALLY IN A DIRECTION LONGITUDINALLY OF SAID CASING.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |