US3395148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-l-(9-adeninyl)-alpha'-d-(hydroxymethyl)-diglycolic aldehyde, phosphate esters
Assignee: Wyeth LLC
•
Filing: 1967-03-06
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Granted: 1968-07-30
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Expires: 1987-03-06
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Alburn
- 👤 Dvonch William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:24
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6561; C07F9/65616; C07H; C07H19/00; C07H19/02; C07H19/04; C07H19/16; C07H19/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3170917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |