Patent US2606208A successfully refreshed from Google Patents.
US2606208A
Expired / Lapsed
US
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Aminoalkyl hydroxynaphthyl ketones and salts thereof
Assignee: GD Searle LLC
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Filing: 1948-04-17
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Granted: 1952-08-05
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Expires: 1968-04-17
Abstract
No abstract record available.
Inventors
- 👤 Robert R Burtner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:54
CPC Classifications
C; C07; C07C; C07C215/00; C07C215/02; C07C215/22; C07C215/28; C07C215/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
AN AMINOALKYL HYDROXYNAPHTHYL KETONE, HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
8 words
AN AMINOALKYL HYDROXYNAPHTHYL KETONE, HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2282907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |