US3466146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Installation for automatic attack of materials with a view to their chemical analysis
Assignee: Bureau de Recherches Géologiques et Minières
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Filing: 1966-04-01
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Granted: 1969-09-09
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Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Jean F Tabourin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:02
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/02; B; B01; B01F; B01F21/00; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/135; G05D11/138; B01F2101/00; B01F2101/23; G01N2035/00178; G01N2035/00207; G01N2035/00217
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) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |