US3020274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
6-amino-9-d-psicofuranosylpurine
Assignee: Pharmacia and Upjohn Co
•
Filing: 1958-03-10
•
Granted: 1962-02-06
•
Expires: 1978-03-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Eble
- 👤 Lewis Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:48
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
6-AMINO-9-D-PSICOFURANOSYLPURINE HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
5 words
6-AMINO-9-D-PSICOFURANOSYLPURINE HAVING THE STRUCTURAL FORMULA:
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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |