US2422194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for collection and treatment of blood
Assignee: Armour and Co
•
Filing: 1943-01-20
•
Granted: 1947-06-17
•
Expires: 1963-01-20
Abstract
No abstract record available.
Inventors
- 👤 Bertie S Harrington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:32
CPC Classifications
A; A22; A22B; A22B5/00; A22B5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US930772A
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US1146589A
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US1226598A
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US1428672A
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US1804042A
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US1703730A
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US1861307A
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US2193717A
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US2249792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |