US2887723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for granulating material
Assignee: Stamicarbon BV
•
Filing: 1956-02-17
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Granted: 1959-05-26
•
Expires: 1976-02-17
Abstract
No abstract record available.
Inventors
- 👤 Hallie Gerardus
- 👤 Johan W Hoogendonk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/18; B; B01; B01J; B01J2/00; B01J2/02; B01J2/06; C05; C05C; C05C1/00; C05C1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US20250A
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US1378084A
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US1776694A
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US1889863A
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US2570423A
Cited
US2574357A
Cited
US2572998A
Cited
US2793398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |