US2416615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for graining ammonium nitrate
Assignee: Solvay Process Co
•
Filing: 1943-06-19
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Granted: 1947-02-25
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Expires: 1963-06-19
Abstract
No abstract record available.
Inventors
- 👤 Richard C Datin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:14
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/18; C05; C05C; C05C1/00; C05C1/02; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129; Y10; Y10S; Y10S159/00; Y10S159/03
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) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |