US3293444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Build-up circuit for series-connected power supplies
Assignee: RTX Corp
•
Filing: 1962-09-05
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Granted: 1966-12-20
•
Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Aram H Hagopian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:35
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/59; G05F1/595
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
A BUILD-UP CIRCUIT FOR SERIES-CONNECTED POWER SUPPLIES INCLUDING IN COMBINATION A FIRST AND A SECOND REGULATED POWER SUPPLY EACH PROVIDING AN OUTPUT OF PREDETERMINED POLARITY, MEANS CONNECTING SAID OUTPUT IN SERIESAIDING RELATIONSHIP, A FIRST AND A SECOND AUXILIARY SOURCE OF POWER, MEANS RESPONSIVE TO A REVERSED POLARITY OUTPUT OF THE FIRST SUPPLY FOR MOMENTARILY COUPLING THE FIRST SOURCE TO SAID FIRST OUTPUT, AND MEANS RESPONSIVE TO A REVERSED POLARITY OUTPUT OF THE SECOND SUPPLY FOR MOVENTARILY COUPLING THE SECOND SOURCE TO SAID SECOND OUTPUT.
References Cited (Backward Citations)
US3049642A
Cited
US2693568A
Cited
US3040239A
Cited
US3080516A
Cited
US3161778A
Cited
US3213287A
Cited
GB898281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |