Patent US3228946A successfully refreshed from Google Patents.
US3228946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New aminopyrazoles
Assignee: BASF Corp
•
Filing: 1962-11-21
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Granted: 1966-01-11
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Paul
- 👤 Eichenberger Kurt
- 👤 Wilhelm Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:20
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/04
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |