Patent US3012030A successfully refreshed from Google Patents.
US3012030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lower alkyl esters of 1-cinnamyl-3-methyl-4-phenylpiperidine-4-carboxylic acid
Assignee: Individual
•
Filing: 1960-04-29
•
Granted: 1961-12-05
•
Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Paul A J Janssen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:51
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/60; C07D211/62; C07D211/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A COMPOUND OF THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
6 words
A COMPOUND OF THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2824875A
Cited
US2880211A
Cited
US2901487A
Cited
GB629196A
Cited
US2813874A
Cited
US2858316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |