US2542223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-keto-delta-10-methyldecalone-1
Assignee: Merck and Co Inc
•
Filing: 1950-03-01
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Granted: 1951-02-20
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Expires: 1970-03-01
Abstract
No abstract record available.
Inventors
- 👤 Norman L Wendler
- 👤 Harry L Slates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:29
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/587; C07C49/613; C07C49/617; C07C49/623; C07C49/637; C07C45/00; C07C45/61; C07C45/65; C07C45/66; C07C45/67; C07C45/68; C07C45/69; C07C49/385; C07C49/403
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
6-KETO-$5,9-10-METHYLDECALONE-1 HAVING THE STRUCTURE FORMULA:
Claim 2
Dependent Claim
5 words
6-KETO-$5,9-10-METHYLDECALONE-1 HAVING THE STRUCTURE FORMULA:
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) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |