US3025303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain nitrofuryl, thiadiazolyl amines
Assignee: Pfizer Health AB
•
Filing: 1958-09-26
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Granted: 1962-03-13
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Ifversen Else Norgaard
- 👤 Rubinstein Kurt
- 👤 Kurt Tyko Johannes Skagius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:05
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/04; C07D417/14
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)
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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |