US3382227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blood protein fractionation employing 2-ethoxy-6, 9-diamino-acridine-lactate
Assignee: Pentex Inc
•
Filing: 1967-01-30
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Granted: 1968-05-07
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 Elvin D West
- 👤 Milton J West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:07
CPC Classifications
C; C07; C07K; C07K16/00; C07K16/06; C07K16/065; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83
Claims Analysis
Total Claims: 0
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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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |