US3424564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the extraction of materials embedded in a graphite body
Assignee: Oesterreichische Studiengesellschaft fuer Atomenergie GmbH
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Filing: 1966-06-28
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Granted: 1969-01-28
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Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Hubert Bildstein
- 👤 Gerhard Stolba
- 👤 Karl Knotik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:43
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/48; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |