US3225258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High tension direct current generator with circuit elements arranged in concentric tubular array
Assignee: US Philips Corp
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Filing: 1962-12-06
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Granted: 1965-12-21
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Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 Brekoo Hendrikus Petru Jacobus
- 👤 Verhoeff Adrianus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:54
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/10; H02M7/103; H02M7/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A GENERATOR OF HIGH-VOLTAGE DIRECT-CURRENT COMPRISING A HOUSING OF INSULATING MATERIAL DEFINING THREE COAXIAL HOLLOW CYLINDERS, A PLURALITY OF INDIVIDUAL CAPACITORS DISPOSED PARTLY IN THE INNERMOST CYLINDER AND PARTLY IN THE SPACE BETWEEN THE OUTERMOST CYLINDER AND THE CENTRAL CYLINDER, AND A PLURALITY OF RECTIFYING ELEMENTS DISPOSED IN THE SPACE BETWEEN THE INNERMOST CYLINDER AND THE CENTRAL CYLINDER, SAID CAPACITORS AND SAID RECTIFIERS BEING EMBEDDED IN A HARDENED RESIN, THE RECTIFIERS AND CAPACITORS RESPECTIVELY BEING CONNECTED IN SERIES ARRANGEMENT, AND THE CAPACITORS BEING CONNECTED IN PARALLEL WITH THE RECTIFIERS TO THEREBY FORM A CASCADED ARRANGEMENT IN WHICH THE CAPACITORS ARE CHARGED THROUGH SAID RECTIFIERS AND DISCHARGED IN SERIES.
Claim 2
Dependent Claim
108 words
A GENERATOR OF HIGH-VOLTAGE DIRECT-CURRENT COMPRISING A HOUSING OF INSULATING MATERIAL DEFINING THREE COAXIAL HOLLOW CYLINDERS, A PLURALITY OF INDIVIDUAL CAPACITORS DISPOSED PARTLY IN THE INNERMOST CYLINDER AND PARTLY IN THE SPACE BETWEEN THE OUTERMOST CYLINDER AND THE CENTRAL CYLINDER, AND A PLURALITY OF RECTIFYING ELEMENTS DISPOSED IN THE SPACE BETWEEN THE INNERMOST CYLINDER AND THE CENTRAL CYLINDER, SAID CAPACITORS AND SAID RECTIFIERS BEING EMBEDDED IN A HARDENED RESIN, THE RECTIFIERS AND CAPACITORS RESPECTIVELY BEING CONNECTED IN SERIES ARRANGEMENT, AND THE CAPACITORS BEING CONNECTED IN PARALLEL WITH THE RECTIFIERS TO THEREBY FORM A CASCADED ARRANGEMENT IN WHICH THE CAPACITORS ARE CHARGED THROUGH SAID RECTIFIERS AND DISCHARGED IN SERIES.
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |