Patent US3534385A successfully refreshed from Google Patents.
US3534385A
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US
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Process and apparatus for micro-machining and treatment of materials
Assignee: Centre National de la Recherche Scientifique
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Filing: 1966-12-06
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Granted: 1970-10-13
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Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond Bernard Rene Castaing
- 👤 Marc Pierre Robert Bernheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:08
CPC Classifications
C; C03; C03B; C03B11/00; C03B11/04; B; B23; B23K; B23K17/00; C03B9/00; C03B9/30; C03B9/32; C03B9/33; H; H01; H01J; H01J37/00; H01J37/30; H01J37/3002; H01J37/3005; H01J37/3007; H01J37/317
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |