Patent FR1341189A successfully refreshed from Google Patents.
Patent US3125651A successfully refreshed from Google Patents.
US3125651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
brumfield
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:22
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/24; H01H71/2472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A MAGNETIC TRIP MEANS FOR A CIRCUIT BREAKER, SAID MEANS COMPRISING A GENERALLY U-SHAPED FRAME, A U-SHAPED MAGNETIZABLE POLE PIECE MOUNTED TO SAID FRAME WITH THE POLE PIECE EXTENDING AT RIGHT ANGLES TO THE ARMS OF THE FRAME, A PLATE-LIKE ARMATURE PIVOTALLY MOUNTED TO SAID FRAME ADJACENT SAID POLE PIECE AND OPERATIVELY POSITIONED TO FORM A V-SHAPED AIR GAP WITH RESPECT TO THE POLE PIECE, POLE FACES, AND BIASING MEANS URGING ONE END OF SAID ARMATURE AWAY FROM SAID POLE FACES AND URGING THE OTHER END OF SAID ARMATURE TOWARD SAID FRAME AT THE WEB THEREOF, MEANS CARRIED BY SAID ARMATURE AT SAID ONE END THEREOF FOR TRIPPING OF A CIRCUIT BREAKER OPERATING MECHANISM.
Claim 2
Dependent Claim
114 words
A MAGNETIC TRIP MEANS FOR A CIRCUIT BREAKER, SAID MEANS COMPRISING A GENERALLY U-SHAPED FRAME, A U-SHAPED MAGNETIZABLE POLE PIECE MOUNTED TO SAID FRAME WITH THE POLE PIECE EXTENDING AT RIGHT ANGLES TO THE ARMS OF THE FRAME, A PLATE-LIKE ARMATURE PIVOTALLY MOUNTED TO SAID FRAME ADJACENT SAID POLE PIECE AND OPERATIVELY POSITIONED TO FORM A V-SHAPED AIR GAP WITH RESPECT TO THE POLE PIECE, POLE FACES, AND BIASING MEANS URGING ONE END OF SAID ARMATURE AWAY FROM SAID POLE FACES AND URGING THE OTHER END OF SAID ARMATURE TOWARD SAID FRAME AT THE WEB THEREOF, MEANS CARRIED BY SAID ARMATURE AT SAID ONE END THEREOF FOR TRIPPING OF A CIRCUIT BREAKER OPERATING MECHANISM.
References Cited (Backward Citations)
US2583174A
Cited
US2574093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |