US2880211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chcoochj
Assignee: —
•
Filing: —
•
Granted: 1959-03-31
•
Expires: 1976-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:56
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/40; C07D211/44; C07D211/52; C07D211/56; C07D211/58; C07D401/00; C07D401/02; C07D401/06; C07D401/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF: (A) 1-(ARYL-(POLYCARBON-LOWER-ALIPHATIC) 4-(LOWER-CARBOXYLIC-ACYLOXY)-4-ARYLPIPERIDINES; AND, (B) ACID ADDITION SALTS THEREOF.
Claim 2
Dependent Claim
19 words
A COMPOSITION OF MATTER SELECTED FROM THE GROUP CONSISTING OF: (A) 1-(ARYL-(POLYCARBON-LOWER-ALIPHATIC) 4-(LOWER-CARBOXYLIC-ACYLOXY)-4-ARYLPIPERIDINES; AND, (B) ACID ADDITION SALTS THEREOF.
References Cited (Backward Citations)
US2498433A
Cited
US2498432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |