US2992222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tetrahydrofurfurylpiperazines
Assignee: Abbott Laboratories
•
Filing: 1959-02-26
•
Granted: 1961-07-11
•
Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Armiger H Sommers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:47
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
TETRAHYDROFURYLPIPERAZINES SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS CORRESPONDING TO THE FORMILA WHEREIN T REPRESENTS LOWER ALKYL, SND (B) PHARMACOLOGICALLY ACCEPTABLE NON-ADDITION SALTS THEREOF.
Claim 2
Dependent Claim
25 words
TETRAHYDROFURYLPIPERAZINES SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS CORRESPONDING TO THE FORMILA WHEREIN T REPRESENTS LOWER ALKYL, SND (B) PHARMACOLOGICALLY ACCEPTABLE NON-ADDITION SALTS THEREOF.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |