Patent DE466210C successfully refreshed from Google Patents.
Patent US3308407A successfully refreshed from Google Patents.
US3308407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact electromagnetic relay
Assignee: Duracell Inc USA
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Filing: 1965-11-17
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Granted: 1967-03-07
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Expires: 1985-11-17
Abstract
No abstract record available.
Inventors
- 👤 Lelyn D Lake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:54
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54; H01H50/60
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
188 words
A RELAY COMPRISING: A BOBBIN WOUND COIL HAVING A MAGNETIC POLE PIECE EXTENDING EXAILLY THERETHROUGH AND INSULATED THEREFROM; AN INSULATING MEMBER SECURED TO ONE END OF SAID COIL CARRYING A FIXED CONTACT MEMBER; A TERMINAL MEMBER AFFIXED TO SAID FIXED CONTACT MEMBER; A MAGNETIC FRAME HAVING A FIRST PORTION IN CONTACT WITH SAID POLE PIECE AT AN END OF SAID COIL OPPOSITE TO SAID INSULATING MEMBER, A SECOND PORTION EXTENDING SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID COIL, AND A THIRD PORTION BENT DOWN FROM SAID SECOND PORTION SO AS TO RESTRAIN AN ARMATURE OF SAID RELAY; SAID ARMATURE BEING PIVOTALLY MOUNTED ON SAID SECOND PORTION OF SAID MAGNETIC FRAME SO AS TO EXTEND TOWARDS SAID POLE PIECE; A SPRING MEMBER CONNECTED TO SAID ARMATURE AND TO SAID MAGNETIC FRAME SO AS TO BIAS SAID ARMATURE AGAINST SAID THIRD PORTION OF SAID MAGNETIC FRAME; A CONTACT MEMBER FASTENED TO SAID SPRING MEMBER SO AS TO CONTACT SAID FIXED CONTACT MEMBER WHEN SAID COIL IS ENERGIZED; AND A TERMINAL MEMBER CONNECTED TO SAID SPRING MEMBER SO AS TO BE ELECTRICALLY CONNECTED TO SAID CONTACT MEMBER WHICH IS FASTENED THERETO.
References Cited (Backward Citations)
USRE25351E
Cited
US2092478A
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US2523020A
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FR1123400A
Cited
US3023286A
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US2916580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |