US2776283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
5-dialkylaminomethyl and 5-heterocyclylmethyl substituted 2-amino-6-aryl-4-pyrimidolderivatives
Assignee: GD Searle LLC
•
Filing: 1954-06-01
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Granted: 1957-01-01
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Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Kurt J Rorig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:20
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/46; C07D239/47
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
6 words
A COMPOUND OF THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2624732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |