US3132224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined fuse holder and indicating lamp unit
Assignee: Checkit PLC
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Filing: 1962-04-11
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Granted: 1964-05-05
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Expires: 1982-04-11
Abstract
No abstract record available.
Inventors
- 👤 Bulgin Arthur Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:39
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/30; H01H85/32; H01H85/54; H01H85/62; F; F21; F21W; F21W2111/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A CARTRIDGE FUSE UNIT INCORPORATING AN INDICATOR LAMP FOR INDICATING BREAK DOWN OF THE FUSE, SAID UNIT COMPRISING: A SUBSTANTIALLY TUBULAR BODY HAVING A SCREW-THREADED OPEN OUTER END AND A CLOSED INNER END; A CONTACT FOR THE FUSE AT SAID INNER END OF SAID BODY; A MEMBER HAVING AN OUTER END AND AN INNER END; A FLANGE ON SAID MEMBER INTERMEDIATE ITS ENDS; AN INDICATOR LAMP CARRIED BY SAID MEMBER AT SAID OUTER END; A GRIP FOR SAID FUSE CARRIED BY SAID MEMBER AT SAID INNER END;
Claim 2
Dependent Claim
87 words
A CARTRIDGE FUSE UNIT INCORPORATING AN INDICATOR LAMP FOR INDICATING BREAK DOWN OF THE FUSE, SAID UNIT COMPRISING: A SUBSTANTIALLY TUBULAR BODY HAVING A SCREW-THREADED OPEN OUTER END AND A CLOSED INNER END; A CONTACT FOR THE FUSE AT SAID INNER END OF SAID BODY; A MEMBER HAVING AN OUTER END AND AN INNER END; A FLANGE ON SAID MEMBER INTERMEDIATE ITS ENDS; AN INDICATOR LAMP CARRIED BY SAID MEMBER AT SAID OUTER END; A GRIP FOR SAID FUSE CARRIED BY SAID MEMBER AT SAID INNER END;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |