Patent US3211927A successfully refreshed from Google Patents.
US3211927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit overload protector
Assignee: Individual
•
Filing: 1962-10-02
•
Granted: 1965-10-12
•
Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 Harvey J Klee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:31
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H02; H02H; H02H3/00; H02H3/02; H02H3/021; H02H3/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN OVERLOAD PROTECTOR FOR ELECTRONIC CIRCUITS COMPRISING IN COMBINATION, A FIRST TRANSFORMER HAVING A PAIR OF INPUTS AND A PAIR OF OUTPUTS, A SECOND TRANSFORMER HAVING A PAIR OF INPUTS AND A PAIR OF OUTPUTS WITH THE INPUTS THEREOF RESPECTIVELY CONNECTED TO THE OUTPUTS OF SAID FIRST TRANSFORMER, MEANS CONTIGUOUSLY DISPOSED WITH ONE OF THE OUTPUTS OF SAID SECOND TRANSFORMER FOR SENSING THE CURRENT FLOW THEREIN, AND SILICON CONTROLLED RECTIFIER MEANS CON-
Claim 2
Dependent Claim
72 words
AN OVERLOAD PROTECTOR FOR ELECTRONIC CIRCUITS COMPRISING IN COMBINATION, A FIRST TRANSFORMER HAVING A PAIR OF INPUTS AND A PAIR OF OUTPUTS, A SECOND TRANSFORMER HAVING A PAIR OF INPUTS AND A PAIR OF OUTPUTS WITH THE INPUTS THEREOF RESPECTIVELY CONNECTED TO THE OUTPUTS OF SAID FIRST TRANSFORMER, MEANS CONTIGUOUSLY DISPOSED WITH ONE OF THE OUTPUTS OF SAID SECOND TRANSFORMER FOR SENSING THE CURRENT FLOW THEREIN, AND SILICON CONTROLLED RECTIFIER MEANS CON-
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |