US3589003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Voltage amplifier process
Assignee: Individual
•
Filing: 1968-01-19
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Granted: 1971-06-29
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Expires: 1988-01-19
Abstract
Abstract A PROCESS OF MAKING A VOLTAGE AMPLIFIER BY PROVIDING TWO SPACED MULTICONDENSER STACKS AND DISPOSING RECTIFIER ELEMENTS IN SAID SPACE WITH THE LEADS BONDED IN SERIES WITH VARIOUS OF THE CONDENSER PLATES.
Inventors
- 👤 Ledyard Kastner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:21
CPC Classifications
H; H10; H10W; H10W90/00; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/10; H02M7/103; H02M7/106; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49133; Y10T29/49137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |