US3316299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis(2-aminooxyethyl)sulfones
Assignee: Pharmacia and Upjohn Co
•
Filing: 1963-08-27
•
Granted: 1967-04-25
•
Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Leo A Paquette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:52
CPC Classifications
C; C07; C07C; C07C239/00; C07C239/08; C07C239/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE FREE BASE FORM AND ACID ADDITION SALTS OF A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
22 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE FREE BASE FORM AND ACID ADDITION SALTS OF A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2140608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |