Patent US3170459A successfully refreshed from Google Patents.
US3255094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for purification of streptokinase
Assignee: Baxter International Inc
•
Filing: 1963-01-10
•
Granted: 1966-06-07
•
Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Adaline N Mather
- 👤 Maguire Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:57
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/48; C07; C07K; C07K14/00; C07K14/195; C07K14/315; C07K14/3153; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/815
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |