US2856930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature indicator for blood storage container
Assignee: Individual
•
Filing: 1957-04-15
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Granted: 1958-10-21
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Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Willard M Huyck
- 👤 Vincent A Romito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:28
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J2200/00; A61J2200/70; A61J2200/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A TELLTALE DEVICE FOR USE WITH A WHOLE BLOOD STORAGE CONTAINER COMPRISING AN ELONGATED TRANSPARENT TUBE HAVING A CLOSED INNER END; A SOLIDIFIABLE LIQUID HAVING A MELTING POINT A FEW DEGREES ABOVE 50*F. CORRESPONDING TO THE CRITICAL WARMING TEMPERATURE RANGE FOR HUMAN BLOOD FOR USE IN TRANSFUSIONS, SAID LIQUID ONLY PARTLY FILLING SAID TUBE; A STOPPER IN THE OPEN END OF SAID TUBE, SAID STOPPER HAVING A MOVABLE PLUNGER MOVABLE LONGITUDINALLY IN A HOLE THERETHROUGH AND BEING HELD FRICTIONALLY IN SAID
Claim 2
Dependent Claim
81 words
A TELLTALE DEVICE FOR USE WITH A WHOLE BLOOD STORAGE CONTAINER COMPRISING AN ELONGATED TRANSPARENT TUBE HAVING A CLOSED INNER END; A SOLIDIFIABLE LIQUID HAVING A MELTING POINT A FEW DEGREES ABOVE 50*F. CORRESPONDING TO THE CRITICAL WARMING TEMPERATURE RANGE FOR HUMAN BLOOD FOR USE IN TRANSFUSIONS, SAID LIQUID ONLY PARTLY FILLING SAID TUBE; A STOPPER IN THE OPEN END OF SAID TUBE, SAID STOPPER HAVING A MOVABLE PLUNGER MOVABLE LONGITUDINALLY IN A HOLE THERETHROUGH AND BEING HELD FRICTIONALLY IN SAID
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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |