US3419791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level detector for electric current
Assignee: General Electric Co
•
Filing: 1966-09-08
•
Granted: 1968-12-31
•
Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 Mishkovsky Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:21
CPC Classifications
H; H02; H02H; H02H1/00; H02H1/0007; H03; H03K; H03K3/00; H03K3/02; H03K3/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
MEANS FOR DEVELOPING A VOLTAGE PULSE WHEN THE CURRENT FLOWING THROUGH A CONDUCTOR REACHES A PREDETERMINED LEVEL, COMPRISING: (A) A CORE OF MAGNETIC MATERIAL SURROUNDING SAID CONDUCTOR AND FORMING A PATH AROUND SAID CONDUCTOR FOR FLUX DEVELOPED BY CURRENT THROUGH SAID CONDUCTOR, (B) A COIL HAVING ITS TURN SUBSTANTIALLY UNTRAVERSED BY FLUX PASSING THROUGH SAID CORE WHEN THE FLUX LEVEL IS LOW, (C) SAID CORE HAVING A HIGH PERMEABILITY SHUNTING PORTION FORMING A FLUX PATH SHUNTING SAID COIL AND SUBSTANTIALLY PREVENTING SAID COIL FROM BEING TRAVERSED BY FLUX PASSING THROUGH SAID CORE WHILE SAID SHUNTING PORTION IS UNSATURATED, (D) AND MEANS FOR DIRECTING A SUBSTANTIAL PORTION OF THE FLUX IN SAID CORE THROUGH A PATH TRAVERSING SAID COIL WHEN SAID HIGH PERMEABILITY SHUNTING PORTION SATURATES,
Claim 2
Dependent Claim
125 words
MEANS FOR DEVELOPING A VOLTAGE PULSE WHEN THE CURRENT FLOWING THROUGH A CONDUCTOR REACHES A PREDETERMINED LEVEL, COMPRISING: (A) A CORE OF MAGNETIC MATERIAL SURROUNDING SAID CONDUCTOR AND FORMING A PATH AROUND SAID CONDUCTOR FOR FLUX DEVELOPED BY CURRENT THROUGH SAID CONDUCTOR, (B) A COIL HAVING ITS TURN SUBSTANTIALLY UNTRAVERSED BY FLUX PASSING THROUGH SAID CORE WHEN THE FLUX LEVEL IS LOW, (C) SAID CORE HAVING A HIGH PERMEABILITY SHUNTING PORTION FORMING A FLUX PATH SHUNTING SAID COIL AND SUBSTANTIALLY PREVENTING SAID COIL FROM BEING TRAVERSED BY FLUX PASSING THROUGH SAID CORE WHILE SAID SHUNTING PORTION IS UNSATURATED, (D) AND MEANS FOR DIRECTING A SUBSTANTIAL PORTION OF THE FLUX IN SAID CORE THROUGH A PATH TRAVERSING SAID COIL WHEN SAID HIGH PERMEABILITY SHUNTING PORTION SATURATES,
References Cited (Backward Citations)
US3324393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |