US3021361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-propoxyphene nu-oxide and salts thereof
Assignee: Eli Lilly and Co
•
Filing: 1959-09-10
•
Granted: 1962-02-13
•
Expires: 1979-09-10
Abstract
No abstract record available.
Inventors
- 👤 Pholand Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:05
CPC Classifications
C; C07; C07C; C07C291/00; C07C291/02; C07C291/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A MEMBER OF THE GROUP CONSISTING OF L-PROPOXYPHENE N-OXIDE AND THE NONTOXIC ACID ADDITION SALTS THEREOF.
Claim 2
Dependent Claim
16 words
A MEMBER OF THE GROUP CONSISTING OF L-PROPOXYPHENE N-OXIDE AND THE NONTOXIC ACID ADDITION SALTS THEREOF.
References Cited (Backward Citations)
US2728779A
Cited
US2862968A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |