Patent DE875320C successfully refreshed from Google Patents.
US2428352A
Expired / Lapsed
US
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Treatment of menthadiene-7-carbinols and product thereof
Assignee: Akzo Nobel Paints LLC
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Filing: 1944-03-18
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Granted: 1947-10-07
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Expires: 1964-03-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Bain
- 👤 Albert H Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:18
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/17; C07C29/172; C07C29/56; C07C31/00; C07C31/13; C07C31/133; C07C31/135; C07C31/1355; C07C2601/00; C07C2601/12; C07C2601/14; C07C2601/16
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) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |