Patent US2838441A successfully refreshed from Google Patents.
US2838441A
Expired / Lapsed
US
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1, 1-di-(p-chlorophenyl)-2-(2-piperidyl)-ethylene and therapeutic compositions contaiing said compounds
Assignee: WM S MERRELL CO
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Filing: 1957-05-10
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Granted: 1958-06-10
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Expires: 1977-05-10
Abstract
No abstract record available.
Inventors
- 👤 Robert E Allen
- 👤 Frank P Palopoli
- 👤 Charles H Tilford
- 👤 Jr Marcus G Van Campen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:02
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/20; C07D211/22; C07D213/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
A PHARMACEUTICAL PREPARATION WHICH INCLUDES A PHARMACEUTICAL CARRIER AND 1,1-DI-(P-CHLOROPHENYL)-2(2-PIPERDYL)-ETHYLENE OF THE 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) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |