US2698779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentration of fusible caustic alkalies
Assignee: Monsanto Chemicals Ltd
•
Filing: 1950-08-14
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Granted: 1955-01-04
•
Expires: 1970-08-14
Abstract
No abstract record available.
Inventors
- 👤 James F Admas
- 👤 Russell L Bauer
- 👤 George E Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:57
CPC Classifications
C; C01; C01D; C01D1/00; C01D1/04; C01D1/42; Y; Y10; Y10S; Y10S159/00; Y10S159/15; Y10S159/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US497088A
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US1433040A
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US2022037A
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US2196594A
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US2446868A
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US2562495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-03 | 1958-07-05 | 1959-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-03 | 1962-07-05 | 1963-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-03 | 1966-07-05 | 1967-01-04 | $7700.00 | Window Closed / Lapsed |