Patent US3372208A successfully refreshed from Google Patents.
Patent US3040043A successfully refreshed from Google Patents.
US3040043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-trifluoromethyl-10-[3'-(4"-(2"'-hydroxy ethyl)-homopiperazino)-propyl]-phenothiazine and 3-trifluoromethyl-10-[3'-(4"-(2"'-acetoxyethyl)-homopiperazino)-propyl]-phenothiazine
Assignee: Evonik Operations GmbH
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Filing: 1960-03-14
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Granted: 1962-06-19
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Expires: 1980-03-14
Abstract
No abstract record available.
Inventors
- 👤 Schuler Wilhelm Alfons
- 👤 Beschke Helmut
- 👤 Schlichtegroll Ansgar Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:39
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/06; C07D513/00; C07D513/02; C07D513/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
3-TRIFLUOROMETHYL-10-(3''-(4"-(2""-HYDROXY ETHYL)-HOMOPIPERAZINO)-PROPYL)-PHENOTHIAZINE.
Claim 2
Dependent Claim
2 words
3-TRIFLUOROMETHYL-10-(3''-(4"-(2""-HYDROXY ETHYL)-HOMOPIPERAZINO)-PROPYL)-PHENOTHIAZINE.
References Cited (Backward Citations)
US2838507A
Cited
GB782431A
Cited
FR1167633A
Cited
GB797061A
Cited
US2943086A
Cited
US2921069A
Cited
US2766235A
Cited
AT203502B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |