Patent US3167693A successfully refreshed from Google Patents.
US3167693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic relay
Assignee: Phillips-Eckardt Electronic Corp
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Filing: 1961-09-13
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Granted: 1965-01-26
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Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 Merle A Hayward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:36
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A RELAY OF THE CHARACTER DISCLOSED, A RELAY COIL, A PAIR OF SHEET METAL CORE MEMBERS EACH HAVING A COIL LEG WITHIN SAID RELAY COIL AND AN END LEG AT ONE END THEREOF, THE TWO END LEGS BEING AT OPPOSITE ENDS OF SAID COIL, AN ARMATURE SPOT-WELDED FLAT-WISE AGAINST ONE OF SAID END LEGS AND HAVING A FREE END SPACED FROM AND FLAT-WISE ADJACENT THE OTHER OF SAID END LEGS FOR ATTRACTION TO AND ELECTRICAL CONTACT WITH SAID OUTER END LEG WHEN SAID CORE MEMBERS AND ARMATURE ARE MAGNETIZED BY PASSAGE OF CURRENT THROUGH SAID COIL, SAID COIL LEGS OF SAID CORE MEMBERS BEING CEMENTED TOGETHER WITH A LAYER OF MATERIAL INTERPOSED BETWEEN THE TWO TO ELECTRICALLY INSULATE THEM FROM EACH OTHER BUT PERMIT THE PASSAGE OF A MAGNETIC CIRCUIT THEREBETWEEN, SAID CORE MEMBERS SERVING AS TERMINALS FOR THE RELAY CONTROLLED CIRCUIT.
Claim 2
Dependent Claim
143 words
IN A RELAY OF THE CHARACTER DISCLOSED, A RELAY COIL, A PAIR OF SHEET METAL CORE MEMBERS EACH HAVING A COIL LEG WITHIN SAID RELAY COIL AND AN END LEG AT ONE END THEREOF, THE TWO END LEGS BEING AT OPPOSITE ENDS OF SAID COIL, AN ARMATURE SPOT-WELDED FLAT-WISE AGAINST ONE OF SAID END LEGS AND HAVING A FREE END SPACED FROM AND FLAT-WISE ADJACENT THE OTHER OF SAID END LEGS FOR ATTRACTION TO AND ELECTRICAL CONTACT WITH SAID OUTER END LEG WHEN SAID CORE MEMBERS AND ARMATURE ARE MAGNETIZED BY PASSAGE OF CURRENT THROUGH SAID COIL, SAID COIL LEGS OF SAID CORE MEMBERS BEING CEMENTED TOGETHER WITH A LAYER OF MATERIAL INTERPOSED BETWEEN THE TWO TO ELECTRICALLY INSULATE THEM FROM EACH OTHER BUT PERMIT THE PASSAGE OF A MAGNETIC CIRCUIT THEREBETWEEN, SAID CORE MEMBERS SERVING AS TERMINALS FOR THE RELAY CONTROLLED CIRCUIT.
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) | 1968-01-26 | 1968-07-27 | 1969-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-26 | 1972-07-27 | 1973-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-26 | 1976-07-27 | 1977-01-26 | $7700.00 | Window Closed / Lapsed |