Patent US903056A successfully refreshed from Google Patents.
Patent US2040563A successfully refreshed from Google Patents.
US2040563A
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Process for making ammonium phosphates
Assignee: Individual
•
Filing: 1933-10-24
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Granted: 1936-05-12
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Expires: 1953-10-24
Abstract
No abstract record available.
Inventors
- 👤 John J Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:15
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/28; B; B01; B01J; B01J19/00; B01J19/18; C01B25/38; C01B25/40; C01B25/405; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/00099; B01J2219/00105; B01J2219/00108; B01J2219/00121; B01J2219/00123; B01J2219/00159
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1939-05-12 | 1939-11-11 | 1940-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-05-12 | 1943-11-11 | 1944-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-05-12 | 1947-11-11 | 1948-05-12 | $7700.00 | Window Closed / Lapsed |