US3389133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for isolating and purifying soluble ribonucleic acid
Assignee: SCHWARZ BIORES Inc
•
Filing: 1966-08-10
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Granted: 1968-06-18
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Expires: 1986-08-10
Abstract
No abstract record available.
Inventors
- 👤 Gutcho Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:11
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; C; C07; C07H; C07H21/00; C12; C12N; C12N15/00; C12N15/09; C12N15/10; C12N15/1003; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3155647A
Cited
US3314937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |