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US1999110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primary diterpene-alcohol
Assignee: BASF Schweiz AG
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Filing: 1934-03-02
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Granted: 1935-04-23
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Expires: 1954-03-02
Abstract
No abstract record available.
Inventors
- 👤 Ruzicka Leopold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:09
CPC Classifications
C; C07; C07C; C07C403/00; C07C403/06; C07C403/08; C07C403/04; C07C403/14; C07C403/16; C07C2601/00; C07C2601/12; C07C2601/16
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) | 1938-04-22 | 1938-10-22 | 1939-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-04-22 | 1942-10-22 | 1943-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-04-22 | 1946-10-22 | 1947-04-23 | $7700.00 | Window Closed / Lapsed |