US3270028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain 3-aryl-1, 2, 4-oxadiazoles
Assignee: Angelini Acraf SpA
•
Filing: 1964-01-02
•
Granted: 1966-08-30
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Palazzo Giuseppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:28
CPC Classifications
C; C07; C07D; C07D271/00; C07D271/02; C07D271/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
3 - PARA - AMINOPHENYL - 5 HYDROXYMETHYL - 1,2,4OXADIAZOLE.
Claim 2
Dependent Claim
10 words
3 - PARA - AMINOPHENYL - 5 HYDROXYMETHYL - 1,2,4OXADIAZOLE.
References Cited (Backward Citations)
US2656366A
Cited
FR1279280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |