US3341591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-(o-chlorophenyl)-and 1-(o, p-dichlorophenyl)-2-hydrazinopropanes
Assignee: Pharmacia and Upjohn Co
•
Filing: 1959-12-07
•
Granted: 1967-09-12
•
Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Edward L Schumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:04
CPC Classifications
C; C07; C07C; C07C243/00; C07C243/10; C07C243/12; C07C243/16; C07C243/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
(O-CHLOROPHENYL)-2-HYDRAZINOPROPANE.
Claim 2
Dependent Claim
1 words
(O-CHLOROPHENYL)-2-HYDRAZINOPROPANE.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |