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US2662891A
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US
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P-chlorophenyl(2-pyridyl) (beta-dimethylaminoethoxy) methane
Assignee: Merck Sharp & Dohme LLC
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Filing: 1948-01-12
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Granted: 1953-12-15
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Expires: 1968-01-12
Abstract
No abstract record available.
Inventors
- 👤 Sperber Nathan
- 👤 Paps Domenick
- 👤 Schwenk Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:35
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/30; C07D213/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |