US3555525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bipolar current generator
Assignee: Edo Corp
•
Filing: 1968-05-15
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Granted: 1971-01-12
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Expires: 1988-05-15
Abstract
Abstract A DOUBLE ENDED CIRCUIT ARRANGEMENT FOR DRIVING A MAGNETOSTRICTIVE DELAY LINE INCLUDES AN INPUT DRIVING COIL CONNECTED IN A LOW PASS FILTER CONSTRUCTION. CONTROLLED SWITCHING ELEMENTS ARE PROVIDED TO DIRECT CURRENT IN ALTERNATING DIRECTIONS THROUGH THE DRIVING COIL, WITH THE CURRENT SWITCHING TRANSIENTS BEING EXPONENTIAL IN FORM.
Inventors
- 👤 Arthur Rothbart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:34
CPC Classifications
G; G11; G11C; G11C21/00; G11C21/02; G11C21/026
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |