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US2807619A
Expired / Lapsed
US
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2-aminoalkanolpyridines
Assignee: Reilly Tar and Chemical Corp
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Filing: 1956-07-23
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Granted: 1957-09-24
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Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Francis E Cislak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:21
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/73; C07D213/89
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOUND OF THE CLASS CONSISTING OF 2-AMINOALKANOLPYRIDINES HAVING THE FOLLOWING GENERAL FORMULAE:
Claim 2
Dependent Claim
13 words
A COMPOUND OF THE CLASS CONSISTING OF 2-AMINOALKANOLPYRIDINES HAVING THE FOLLOWING GENERAL FORMULAE:
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |