Patent US2465551A successfully refreshed from Google Patents.
Patent US3005027A successfully refreshed from Google Patents.
US3005027A
Expired / Lapsed
US
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Alkyl hydrazines
Assignee: CIBA PHARM PROD Inc
•
Filing: 1960-05-17
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Granted: 1961-10-17
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Expires: 1980-05-17
Abstract
No abstract record available.
Inventors
- 👤 Druey Jean
- 👤 Schmidt Paul
- 👤 Eichenberger Kurt
- 👤 Wilhelm Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:58
CPC Classifications
C; C07; C07C; C07C243/00; C07C243/10; A; A61; A61K; A61K31/00; A61K31/13; A61K31/15; A61P; A61P25/00; C07C241/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
3 words
PENTYL-(2)-HYDRAZINE. 3. 2-METHYL-PENTYL-(4)-HYDRAZINE.
Claim 2
Dependent Claim
3 words
PENTYL-(2)-HYDRAZINE. 3. 2-METHYL-PENTYL-(4)-HYDRAZINE.
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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |