US3260916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload detection means
Assignee: General Electric Co
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Filing: 1963-03-21
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Granted: 1966-07-12
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Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Donald L Watrous
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/25; B23K11/251; H; H02; H02H; H02H3/00; H02H3/08; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN OVERLOAD DETECTION CIRCUIT COMPRISING, A CURRENT TRANSFORMER HAVING A MAGNETIC CORE, A PRIMARY WINDING ON THE CORE ADAPTED TO BE ENERGIZED BY CURRENT TO BE SENSED, AND A SECONDARY WINDING ON THE CORE; A CAPACITOR, FIRST IMPEDANCE MEANS ACROSS THE CAPACITOR FOR PRODUCING A VOLTAGE CHARGE THE CAPACITOR, SECOND IMPEDANCE MEANS CONNECTED TO SAID SECONDARY WINDING FOR PRODUCING A VOLTAGE WHEN TRAVERSED BY CURRENT RESULTING FROM VOLTAGE INDUCED IN THE SECONDARY WINDING IN RESPONSE TO CURRENT FLOW IN THE PRIMARY WINDING, A BREAKDOWN DEVICE ACROSS SAID SECOND IMPEDANCE MEANS INCLUDED IN THE DIS-
Claim 2
Dependent Claim
94 words
AN OVERLOAD DETECTION CIRCUIT COMPRISING, A CURRENT TRANSFORMER HAVING A MAGNETIC CORE, A PRIMARY WINDING ON THE CORE ADAPTED TO BE ENERGIZED BY CURRENT TO BE SENSED, AND A SECONDARY WINDING ON THE CORE; A CAPACITOR, FIRST IMPEDANCE MEANS ACROSS THE CAPACITOR FOR PRODUCING A VOLTAGE CHARGE THE CAPACITOR, SECOND IMPEDANCE MEANS CONNECTED TO SAID SECONDARY WINDING FOR PRODUCING A VOLTAGE WHEN TRAVERSED BY CURRENT RESULTING FROM VOLTAGE INDUCED IN THE SECONDARY WINDING IN RESPONSE TO CURRENT FLOW IN THE PRIMARY WINDING, A BREAKDOWN DEVICE ACROSS SAID SECOND IMPEDANCE MEANS INCLUDED IN THE DIS-
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |