US3154728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High sensitivity magnetic relay
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1961-12-22
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Granted: 1964-10-27
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Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Bordenet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:16
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2272; H01H51/2281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A MAGNETIC RELAY HAVING IN COMBINATION TWO LATERALLY SPACED SETS OF POLE PIECES, EACH SET OF POLE PIECES DEFINING A GAP BETWEEN POLE FACES HAVING OPPOSITE POLARITY, MEANS FOR SUPPLYING EQUAL MAGNETIC FLUXES IN THE SAME DIRECTION IN EACH GAP, A MAGNETIC ARMATURE CENTRALLY PIVOTED BETWEEN SAID LATERALLY SPACED SETS OF POLE PIECES FOR ANGULAR DEFLECTION WITH RESPECT ENDS OF THE ARMATURE IN THE RESPECTIVE GAPS, MEANS FOR INDUCING AN UNBALANCING FLUX ALONG THE ARMATURE IN RESPONSE TO AN INPUT SIGNAL, AND A MAGNETIC INSERT POSITIONED BETWEEN THE LATERALLY SPACED POLE PIECES ON EACH SIDE OF THE ARMATURE, EACH SAID INSERT BEING SPACED FROM THE POLE PIECES AND THE ARMATURE TO DEFINE AIR GAPS THEREWITH.
Claim 2
Dependent Claim
115 words
A MAGNETIC RELAY HAVING IN COMBINATION TWO LATERALLY SPACED SETS OF POLE PIECES, EACH SET OF POLE PIECES DEFINING A GAP BETWEEN POLE FACES HAVING OPPOSITE POLARITY, MEANS FOR SUPPLYING EQUAL MAGNETIC FLUXES IN THE SAME DIRECTION IN EACH GAP, A MAGNETIC ARMATURE CENTRALLY PIVOTED BETWEEN SAID LATERALLY SPACED SETS OF POLE PIECES FOR ANGULAR DEFLECTION WITH RESPECT ENDS OF THE ARMATURE IN THE RESPECTIVE GAPS, MEANS FOR INDUCING AN UNBALANCING FLUX ALONG THE ARMATURE IN RESPONSE TO AN INPUT SIGNAL, AND A MAGNETIC INSERT POSITIONED BETWEEN THE LATERALLY SPACED POLE PIECES ON EACH SIDE OF THE ARMATURE, EACH SAID INSERT BEING SPACED FROM THE POLE PIECES AND THE ARMATURE TO DEFINE AIR GAPS THEREWITH.
References Cited (Backward Citations)
US2435425A
Cited
US2882461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |