Patent US3104241A successfully refreshed from Google Patents.
US3104241A
Expired / Lapsed
US
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Derivatives of indole
Assignee: Merck KGaA
•
Filing: 1961-04-05
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Granted: 1963-09-17
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Expires: 1981-04-05
Abstract
No abstract record available.
Inventors
- 👤 Enenkel Hans Joachim
- 👤 Muller Heinrich
- 👤 Schulte Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:20
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/12; C07D209/14; C07D209/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULA:
Claim 3
Dependent Claim
13 words
A - PHENYL - A - MORPHOLINOACETICACID - B - (N - METHYLOCATHYDROINOLYL-3)-ETHYLESTER.
Claim 4
Dependent Claim
13 words
A - PHENYL - A - MORPHOLINOACETICACID - B - (N - METHYLOCATHYDROINOLYL-3)-ETHYLESTER.
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |