US3081309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Table vi
Assignee: —
•
Filing: —
•
Granted: 1963-03-12
•
Expires: 1980-03-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:20
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/40; C07D211/44; C07D211/46; C07D211/08; C07D211/18; C07D211/20; C07D211/22; C07D211/56; C07D211/58; C07D211/68; C07D211/70
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
25 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND THE PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, THE FREE BASE REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
25 words
A COMPOUND OF THE CLASS CONSISTING OF A FREE BASE AND THE PHARMACEUTICALLY ACCEPTABLE ACID ADDITION SALTS THEREOF, THE FREE BASE REPRESENTED BY THE FORMULA:
Claim 3
Dependent Claim
2 words
N-PHENETHYL-4(2-PROPYNYL) -4-PROPIONOXY-PIPERIDINE.
Claim 4
Dependent Claim
2 words
N-PHENETHYL-4(2-PROPYNYL) -4-PROPIONOXY-PIPERIDINE.
Claim 5
Dependent Claim
9 words
THE PHARMACEUTICALLY ACCEPTABLE NON-TOXIC ACID ADDITION SALTS OF N-PHENETHYL-4(2-PROPYNYL)-4-PROPIONOXYPIPERIDINE.
Claim 6
Dependent Claim
9 words
THE PHARMACEUTICALLY ACCEPTABLE NON-TOXIC ACID ADDITION SALTS OF N-PHENETHYL-4(2-PROPYNYL)-4-PROPIONOXYPIPERIDINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |