US3415985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ionic microanalyzer wherein secondary ions are emitted from a sample surface upon bombardment by neutral atoms
Assignee: Centre National de la Recherche Scientifique
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Filing: 1966-11-23
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Granted: 1968-12-10
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Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Castaing Raymond
- 👤 Slodzian Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:56
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/02; H01J49/10; H01J49/14; H01J49/142; H01J37/00; H01J37/02; H01J37/026; H01J37/252
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) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |