US2423972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oleyl esters of sulphobenzoic acids
Assignee: Monsanto Chemicals Ltd
•
Filing: 1944-02-03
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Granted: 1947-07-15
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Expires: 1964-02-03
Abstract
No abstract record available.
Inventors
- 👤 Earl W Gluesenkamp
- 👤 Kosmin Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:49
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D06M13/256; C; C07; C07C; C07C303/00; C07C303/32; C07C309/00; C07C309/01; C07C309/28; C07C309/57; C07C309/58
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) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |