US3387245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated core with a termainal connector and retainer means
Assignee: Advance Transformer Co
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Filing: 1963-08-30
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Granted: 1968-06-04
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Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Czernobil Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:38
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/08; H01F38/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A CORE RETAINER FOR A LAMINATED TRANSFORMER CORE COMPRISING, A NON-METALLIC FRAME-LIKE FLAT PLANAR BODY OF GENERALLY RECTANGULAR CONFIGURATION HAVING INNER EDGES DEFINING A CENTRAL OPENING TO ACCOMMODATE A CORE END ENTIRELY THERETHROUGH WITH NON-FLEXURE OF SAID BODY, AT LEAST A PAIR OF OPPOSED FINGERS FORMED INTEGRAL WITH SAID BODY AND EXTENDING INTERIOR OF SAID OPENING, SAID FINGERS FORCIBLY ENGAGEABLE WITH SAID CORE TO CLAMP SAME IN RIGID ASSEMBLY, AND ELECTRICAL TERMINAL CONNECTOR MEANS MOUNTED ON SAID BODY AT SELECTED LOCATIONS SPACED FROM SAID CENTRAL OPENING, SAID TERMINAL CONNECTOR MEANS COMPRISING A U-SHAPED METALLIC MEMBER HAVING A PAIR OF ARMS AND A BRIDGING PORTION, MEANS ON SAID ARMS FOR PERMANENTLY SECURING SAME UPON SAID RETAINER RING AND TERMINAL CONNECTOR MOUNTING MEMBER, AND WIRE GRIPPING MEANS FORMED ON SAID BRIDGING PORTION.
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) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |