US2485982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of aminoalcohols
Assignee: Commercial Solvents Corp
•
Filing: 1944-03-13
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Granted: 1949-10-25
•
Expires: 1964-03-13
Abstract
No abstract record available.
Inventors
- 👤 Graham W Mcmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:17
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/04; C25B; C25B3/00; C25B3/01; C25B3/07; C25B3/09; C25B3/20; C25B3/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE175071C
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DE111346C
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US1947732A
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US680543A
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GB342670A
Cited
US1879003A
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DE572803C
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US2110273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |