US3270015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 2-dihydro-1-hydroxy-1, 3, 5-triazines
Assignee: Pharmacia and Upjohn Co
•
Filing: 1965-07-01
•
Granted: 1966-08-30
•
Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Ursprung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:10
CPC Classifications
C; C07; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/16; C07D203/20; C07C; C07C279/00; C07C279/20; C07C279/24; C07C279/26
Claims Analysis
Total Claims: 4
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:
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US3093645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |