US3345552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three phase half wave direct current power source
Assignee: ALLOY RODS Inc KAREN LANE & WILSON AVE A CORP OF
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Filing: 1965-03-29
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Granted: 1967-10-03
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Aldenhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:53
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/10; B23K9/1006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN A THREE PHASE HALF WAVE DIRECT CURRENT POWER SOURCE, A THREE PHASE TRANSFORMER HAVING A THREE PHASE SECONDARY HAVING THREE PHASE WINDINGS, A PAIR OF UNCONTROLLED RECTIFIER MEANS EACH BEING CONNECTED BETWEEN A DIFFERENT ONE OF TWO OF THE WINDINGS AND ON OUTPUT LEAD, SAID RECTIFIER MEANS CONSTITUTING THE SOLE CONNECTION OF SAID TWO WINDINGS TO SAID OUTPUT LEAD,
Claim 2
Dependent Claim
60 words
IN A THREE PHASE HALF WAVE DIRECT CURRENT POWER SOURCE, A THREE PHASE TRANSFORMER HAVING A THREE PHASE SECONDARY HAVING THREE PHASE WINDINGS, A PAIR OF UNCONTROLLED RECTIFIER MEANS EACH BEING CONNECTED BETWEEN A DIFFERENT ONE OF TWO OF THE WINDINGS AND ON OUTPUT LEAD, SAID RECTIFIER MEANS CONSTITUTING THE SOLE CONNECTION OF SAID TWO WINDINGS TO SAID OUTPUT LEAD,
References Cited (Backward Citations)
AT191714B
Cited
US3113259A
Cited
DE1139593B
Cited
US3158734A
Cited
SU145954A1
Cited
US3231711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |