US2396918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-treating composition
Assignee: Monsanto Chemicals Ltd
•
Filing: 1941-05-02
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Granted: 1946-03-19
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Expires: 1961-05-02
Abstract
No abstract record available.
Inventors
- 👤 Findley E Hubbard
- 👤 Campbell R Mccullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:51
CPC Classifications
B; B01; B01J; B01J2/00; C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/38; C01B25/39; C02; C02F; C02F5/00; C02F5/08; C02F5/086
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) | 1949-03-18 | 1949-09-17 | 1950-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-18 | 1953-09-17 | 1954-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-18 | 1957-09-17 | 1958-03-19 | $7700.00 | Window Closed / Lapsed |