Patent US3141124A successfully refreshed from Google Patents.
US3141124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shunt regulating charging circuit
Assignee: Individual
•
Filing: 1961-03-20
•
Granted: 1964-07-14
•
Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Robert R Atherton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:30
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/12; H02M7/145; H02M7/155; H02M7/1555; H02M7/1557; G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/24; G05F1/26; G05F1/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A CIRCUIT FOR CHARGING AND MAINTAINING A STORAGE MEANS AT AN ADJUSTABLE EXACT PREDETERMINED LEVEL OF CHARGE COMPRISING: A TRANSFORMING MEANS HAVING A PRIMARY WINDING AND FIRST AND SECOND SECONDARY WINDINGS, SAID PRIMARY WINDING BEING COUPLED ACROSS A SOURCE OF ALTERNATING CURRENT POTENTIAL AND SAID FIRST AND SECOND SECONDARY WINDINGS BEING COUPLED IN PUSH-PULL ARRANGEMENT THROUGH DIODE RECTIFYING MEANS FOR TRANSFORMING SAID ALTERNATING CURRENT POTENTIAL INTO A DIRECT CURRENT CHARGING POTENTIAL; A STORAGE MEANS, ASSOCIATED THROUGH A COUPLING MEANS WITH SAID TRANSFORMING MEANS, FOR STORING ENERGY RECEIVED FROM SAID DIRECT CURRENT CHARGING POTENTIAL; FIRST AND SECOND CONTROL SWITCHING ELEMENTS, SAID FIRST CONTROL SWITCHING ELEMENT BEING COUPLED ACROSS A PORTION OF SAID FIRST SECONDARY WINDING AND SAID SECOND CONTROL SWITCHING ELEMENT BEING COUPLED ACROSS A PORTION OF SAID SECOND SECONDARY WINDING; A VOLTAGE COMPARISON CONTROL MEANS COUPLED TO SAID STORAGE MEANS AND SAID FIRST AND SECOND CONTROL SWITCHING ELEMENTS TO CONSTANTLY MONITOR THE AMOUNT OF CHARGE POSSESSED BY SAID STORAGE MEANS AND TO SEND CONTROL IMPULSES TO SAID FIRST AND SECOND CONTROL SWITCHING ELEMENTS TO REGULATE THE LEVEL OF SAID DIRECT CURRENT CHARGING POTENTIAL SUPPLIED TO SAID STORAGE MEANS TO MAINTAIN ITS QUANTITY OF CHARGE AT A PREDETERMINED VALUE.
Claim 2
Dependent Claim
198 words
A CIRCUIT FOR CHARGING AND MAINTAINING A STORAGE MEANS AT AN ADJUSTABLE EXACT PREDETERMINED LEVEL OF CHARGE COMPRISING: A TRANSFORMING MEANS HAVING A PRIMARY WINDING AND FIRST AND SECOND SECONDARY WINDINGS, SAID PRIMARY WINDING BEING COUPLED ACROSS A SOURCE OF ALTERNATING CURRENT POTENTIAL AND SAID FIRST AND SECOND SECONDARY WINDINGS BEING COUPLED IN PUSH-PULL ARRANGEMENT THROUGH DIODE RECTIFYING MEANS FOR TRANSFORMING SAID ALTERNATING CURRENT POTENTIAL INTO A DIRECT CURRENT CHARGING POTENTIAL; A STORAGE MEANS, ASSOCIATED THROUGH A COUPLING MEANS WITH SAID TRANSFORMING MEANS, FOR STORING ENERGY RECEIVED FROM SAID DIRECT CURRENT CHARGING POTENTIAL; FIRST AND SECOND CONTROL SWITCHING ELEMENTS, SAID FIRST CONTROL SWITCHING ELEMENT BEING COUPLED ACROSS A PORTION OF SAID FIRST SECONDARY WINDING AND SAID SECOND CONTROL SWITCHING ELEMENT BEING COUPLED ACROSS A PORTION OF SAID SECOND SECONDARY WINDING; A VOLTAGE COMPARISON CONTROL MEANS COUPLED TO SAID STORAGE MEANS AND SAID FIRST AND SECOND CONTROL SWITCHING ELEMENTS TO CONSTANTLY MONITOR THE AMOUNT OF CHARGE POSSESSED BY SAID STORAGE MEANS AND TO SEND CONTROL IMPULSES TO SAID FIRST AND SECOND CONTROL SWITCHING ELEMENTS TO REGULATE THE LEVEL OF SAID DIRECT CURRENT CHARGING POTENTIAL SUPPLIED TO SAID STORAGE MEANS TO MAINTAIN ITS QUANTITY OF CHARGE AT A PREDETERMINED VALUE.
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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |