Patent US2780225A successfully refreshed from Google Patents.
US2780225A
Expired / Lapsed
US
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Blood packaging unit
Assignee: COURTLAND H BARR JR
•
Filing: 1953-03-03
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Granted: 1957-02-05
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Expires: 1973-03-03
Abstract
No abstract record available.
Inventors
- 👤 Courtland H Barr
- 👤 John T Tripp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:42
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; A61J1/10; A61J1/12; A61J2200/00; A61J2200/70; A61J2200/76; Y; Y10; Y10S; Y10S215/00; Y10S215/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US529762A
Cited
NL34758C
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US1686354A
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DE729092C
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US2493922A
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DE808748C
Cited
US2612160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |