US3352849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-aza-2'-deoxyuridines
Assignee: Merck and Co Inc
•
Filing: 1965-10-24
•
Granted: 1967-11-14
•
Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Shen Tsung-Ying
- 👤 William V Ruyle
- 👤 Robert L Bugianesi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:12
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/20; C07H15/22; C07H19/00; C07H19/02; C07H19/04; C07H19/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE 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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |