US3337530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dinucleoside 3', 5' -and 2', 5'-phosphates containing one 7-deazapurin riboside moiety
Assignee: Pharmacia and Upjohn Co
•
Filing: 1965-09-20
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Granted: 1967-08-22
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Expires: 1985-09-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Hanze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:40
CPC Classifications
C; C07; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/14; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886; Y10S435/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A DINUCLEOSIDE PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF 3'',5''-AND 2'',5''-DINUCLEOSIDE PHOSPHATES OF THE FORMULAE:
Claim 2
Dependent Claim
15 words
A DINUCLEOSIDE PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF 3'',5''-AND 2'',5''-DINUCLEOSIDE PHOSPHATES OF THE FORMULAE:
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |