US2989616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo-mechanism for controlling the movements of an electrode in an electro-erosion machine
Assignee: Ateliers des Charmilles SA
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Filing: 1958-08-11
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Granted: 1961-06-20
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Expires: 1978-08-11
Abstract
No abstract record available.
Inventors
- 👤 Mironoff Nicolas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:54
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/26; B23H7/28; B23H7/30; B23Q; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; F; F15; F15B; F15B11/00; F15B11/08; F15B21/00; F15B21/04; F15B2211/00; F15B2211/40; F15B2211/405; F15B2211/40515; F15B2211/40576; F15B2211/415; F15B2211/41572; F15B2211/41581; F15B2211/42; F15B2211/421; F15B2211/423; F15B2211/426; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50536; F15B2211/515; F15B2211/5157; Y; Y10; Y10S; Y10S60/00; Y10S60/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US400323A
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US2105473A
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US2356597A
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US2479063A
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US2572385A
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US2696403A
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US2751752A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |