US3513176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6,7-epoxy-1-nonen-3-yl-acetoacetates
Assignee: F Hoffmann La Roche AG
•
Filing: 1967-12-18
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Granted: 1970-05-19
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 David Andrews
- 👤 Walter Kimel
- 👤 Ronald Propper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:05
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/40; C07D303/42; C07C; C07C29/00; C07C29/17; C07C29/36; C07C29/38; C07C29/42; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C69/00; C07C69/66; C07C69/67; C07C69/716; C07C69/72; C07D303/12; C07D303/16; C07D303/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3030336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |