US3524036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo control circuit for electrical discharge machining apparatus
Assignee: Elox Inc
•
Filing: 1968-01-22
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Granted: 1970-08-11
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Kurt H Sennowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:26
CPC Classifications
B; B23; B23H; B23H1/00; B23H1/02; B23H1/026; B23H7/00; B23H7/14; B23H7/18; H; H03; H03K; H03K17/00; H03K17/08; H03K17/082; H03K17/0826
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2927191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |