US3280104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2', 3'-dideoxyribonucleoside and 2', 3'-dideoxyribonucleotide derivatives
Assignee: Roche Palo Alto LLC
•
Filing: 1964-04-13
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Granted: 1966-10-18
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Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Moffatt John Gilbert
- 👤 Klaus E Pfitzner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:51
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/06; C07H19/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE FOLLOWING FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |