US3138596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-uracil-carboxylic acid derivatives and process of preparing same
Assignee: KONINK IND MIJ VOORHEEN NOURY
•
Filing: 1960-12-15
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Granted: 1964-06-23
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Expires: 1980-12-15
Abstract
No abstract record available.
Inventors
- 👤 Cornelis U Kloosterman
- 👤 Kok Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:34
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF (A) COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF (A) COMPOUNDS HAVING THE FORMULA:
References Cited (Backward Citations)
CA583712A
Cited
US2948275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |