Patent US3400304A successfully refreshed from Google Patents.
US3400304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current reversing circuit
Assignee: Raytheon Co
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Filing: 1966-02-25
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Granted: 1968-09-03
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:41
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/66; H03K17/661; H03K17/662; H03K17/663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A CIRCUIT FOR CHANGING THE DIRECTION FOR CURRENT FLOW IN AN INDUCTIVE LOAD HAVING FIRST AND SECOND TERMINALS, COMPRISING: A FIRST CAPACITOR CONNECTED TO SAID FIRST INDUCTIVE LOAD TERMINAL; A SECOND CAPACITOR CONNECTED TO SAID SECOND INDUCTIVE LOAD TERMINAL; AND, FIRST MEANS CONNECTED TO SAID INDUCTIVE LOAD FOR CAUSING ONE OF SAID CAPACITORS AND SAID INDUCTIVE LOAD TO RESONATE AND FOR CAUSING SAID ONE CAPACITOR AND SAID INDUCTIVE LOAD TO STOP RESONATING TO PRODUCE AND MAINTAIN A REVERSE CURRENT FLOW IN SAID INDUCTIVE LOAD.
Claim 2
Dependent Claim
84 words
A CIRCUIT FOR CHANGING THE DIRECTION FOR CURRENT FLOW IN AN INDUCTIVE LOAD HAVING FIRST AND SECOND TERMINALS, COMPRISING: A FIRST CAPACITOR CONNECTED TO SAID FIRST INDUCTIVE LOAD TERMINAL; A SECOND CAPACITOR CONNECTED TO SAID SECOND INDUCTIVE LOAD TERMINAL; AND, FIRST MEANS CONNECTED TO SAID INDUCTIVE LOAD FOR CAUSING ONE OF SAID CAPACITORS AND SAID INDUCTIVE LOAD TO RESONATE AND FOR CAUSING SAID ONE CAPACITOR AND SAID INDUCTIVE LOAD TO STOP RESONATING TO PRODUCE AND MAINTAIN A REVERSE CURRENT FLOW IN SAID INDUCTIVE LOAD.
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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |