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US3535264A
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Production of spherical oxidic or carbidic particles from heavy metal salt solutions
Assignee: Forschungszentrum Jülich
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Filing: 1967-07-05
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Granted: 1970-10-20
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Expires: 1987-07-05
Abstract
No abstract record available.
Inventors
- 👤 Karl-Gerhard Hackstein
- 👤 Gerhard Fleischhauer
- 👤 Jurgen Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:31
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; B; B01; B01J; B01J2/00; B01J2/02; B01J2/06; B01J2/08; C; C01; C01B; C01B32/00; C01B32/90; C01F; C01F15/00; C01G; C01G25/00; C01G25/02; C01G43/00; C01G43/01; C01G43/025; C01P; C01P2004/00; C01P2004/30; C01P2004/32; C01P2006/00; C01P2006/10; Y; Y02; Y02E; Y02E30/00; Y02E30/30
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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |