Patent US3226507A successfully refreshed from Google Patents.
US3226507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker having a permanent magnet made of curie point material
Assignee: Individual
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Filing: 1963-02-15
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Granted: 1965-12-28
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Expires: 1983-02-15
Abstract
No abstract record available.
Inventors
- 👤 Kasahara Yasuo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:16
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/142; H01H71/22; H01H71/50; H01H71/504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A CIRCUIT BREAKER COMPRISING CONDUCTOR MEANS, SWITCHING MEANS MOVABLE TO COMPLETE A CIRCUIT THROUGH SAID CONDUCTOR MEANS IN ONE POSITION THEREOF AND TO INTERRUPT A CIRCUIT THROUGH SAID CONDUCTOR MEANS IN ANOTHER POSITION THEREOF, FIRST MEANS BIASING SAID SWITCHING MEANS TOWARD SAID ONE POSITION, SECOND MEANS BIASING SAID SWITCHING MEANS TOWARD SAID ANOTHER POSITION, SAID FIRST BIASING MEANS INCLUDING MAGNET MEANS, SAID SWITCHING MEANS INCLUDING ARMATURE MEANS NORMALLY ATTRACTED BY SAID MAGNET MEANS, AND MEANS RESPONSIVE TO OVERLOAD CURRENT IN SAID CONDUCTOR MEANS TO BE EXTENT THAT THE BIASING EFFECT OF SAID MAGNET MEANS TO EXTENT THAT THE BIASING EFFECT OF SAID SECOND BIASING MEANS BECOMES GREATER THAN
Claim 2
Dependent Claim
108 words
A CIRCUIT BREAKER COMPRISING CONDUCTOR MEANS, SWITCHING MEANS MOVABLE TO COMPLETE A CIRCUIT THROUGH SAID CONDUCTOR MEANS IN ONE POSITION THEREOF AND TO INTERRUPT A CIRCUIT THROUGH SAID CONDUCTOR MEANS IN ANOTHER POSITION THEREOF, FIRST MEANS BIASING SAID SWITCHING MEANS TOWARD SAID ONE POSITION, SECOND MEANS BIASING SAID SWITCHING MEANS TOWARD SAID ANOTHER POSITION, SAID FIRST BIASING MEANS INCLUDING MAGNET MEANS, SAID SWITCHING MEANS INCLUDING ARMATURE MEANS NORMALLY ATTRACTED BY SAID MAGNET MEANS, AND MEANS RESPONSIVE TO OVERLOAD CURRENT IN SAID CONDUCTOR MEANS TO BE EXTENT THAT THE BIASING EFFECT OF SAID MAGNET MEANS TO EXTENT THAT THE BIASING EFFECT OF SAID SECOND BIASING MEANS BECOMES GREATER THAN
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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |