US2807706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for automatic control of electrical discharge machine
Assignee: Milacron Inc
•
Filing: 1954-10-25
•
Granted: 1957-09-24
•
Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 John J Oezer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:41
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/14; B23H7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1418707A
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US2145010A
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US2084168A
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US2201483A
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US2278480A
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US2296734A
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US2389164A
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GB637793A
Cited
FR1062480A
Cited
US2773168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |