Patent US2405029A successfully refreshed from Google Patents.
Patent US2945032A successfully refreshed from Google Patents.
US2945032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New piperidinium compounds
Assignee: CIBA PHARM PROD Inc
•
Filing: 1957-01-28
•
Granted: 1960-07-12
•
Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Marxer Adrian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:28
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/08; C07D211/18; C07D211/20; C07D211/22; C07D211/80; C07D211/84; C07D211/86; C07D211/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
4 words
COMPOUNDS OF THE FORMULA
References Cited (Backward Citations)
CA519741A
Cited
US2746967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |