US3661893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis in vitro of nucleic acids and products used therein and products produced therefrom
Assignee: University of Illinois at Urbana-Champaign
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Filing: 1968-11-25
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Granted: 1972-05-09
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Expires: 1988-11-25
Abstract
Abstract BIOLOGICALLY ACTIVE RIBONUCLEIC ACIDS ARE SYNTHESIZED IN VITRO IN AN ENZYMATIC SYSTEM FROM NUCLEOTIDE BASES AND A BIOLOGICALLY ACTIVE RIBONUCLEIC ACID TEMPLATE.
Inventors
- 👤 Solomon Spiegelman
- 👤 Ichiro Haruna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:27
CPC Classifications
C; C07; C07H; C07H21/00; A; A61; A61K; A61K31/00; A61K31/70; C12; C12P; C12P19/00; C12P19/26; C12P19/28; C12P19/30; C12P19/34; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/815; Y10S435/8215; Y10S435/822; Y10S435/848; Y10S435/849
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |