US3240110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the losses of blood in surgical operations and deliveries
Assignee: LARS LJUNGBERG AND CO AB
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Filing: 1962-10-26
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Granted: 1966-03-15
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Expires: 1982-10-26
Abstract
No abstract record available.
Inventors
- 👤 Ohlin Lars Erik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:59
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/02042; A61M; A61M1/00; A61M1/02; A61M1/71; A61M1/77; A61M1/777; G; G01; G01N; G01N21/00; G01N21/84; G01N21/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
APPARATUS FOR DETERMINING THE LOSSES OF BLOOD IN SURGICAL OPERATIONS AND DELIVERIES, COMPRISING A VESSEL HAVING AN OUTLET AT THE BOTTOM CONTAINTING A MEASURED AMOUNT OF DILUENT LIQUID IN WHICH THE BLOOD IS TO BE DILUTED, AN AGITATOR IN SAID VESSEL, A PUMP CONNECTED TO SAID OUTLET, A MULTIWAY VALVE LOCATED OUTSIDE SAID VESSEL, A CONDUIT EXTENDING FROM SAID PUMP TO SAID MULTIWAY VALVE, A RETURN CONDUIT FROM SAID VALVE TO SAID VESSEL, AN ELECTRIC PHOTOMETER HAVING AN ANALYZING CELL LOCATED OUTSIDE SAID VESSEL, A SUPPLY CONDUIT FROM SAID VALVE TO SAID ANALYZING CELL, AND OUTLET CONDUIT EXTENDING FROM THE BOTTOM OF SAID ANALYZING CELL TO CONTROL FLUID FLOW FROM THE ANALYZING CELL, SAID MULTIWAY VALVE CONNECTING IN A FIRST POSITION SAID FIRST NAMED CONDUIT TO SAID RETURN CONDUIT TO RECIRCULATE THE LIQUID AND IN A SECOND POSITION CONNECTING SAID FIRST NAMED CONDUIT TO SAID SUPPLY CONDUIT TO SUPPLY SAID ANALYZING CELL.
Claim 2
Dependent Claim
152 words
APPARATUS FOR DETERMINING THE LOSSES OF BLOOD IN SURGICAL OPERATIONS AND DELIVERIES, COMPRISING A VESSEL HAVING AN OUTLET AT THE BOTTOM CONTAINTING A MEASURED AMOUNT OF DILUENT LIQUID IN WHICH THE BLOOD IS TO BE DILUTED, AN AGITATOR IN SAID VESSEL, A PUMP CONNECTED TO SAID OUTLET, A MULTIWAY VALVE LOCATED OUTSIDE SAID VESSEL, A CONDUIT EXTENDING FROM SAID PUMP TO SAID MULTIWAY VALVE, A RETURN CONDUIT FROM SAID VALVE TO SAID VESSEL, AN ELECTRIC PHOTOMETER HAVING AN ANALYZING CELL LOCATED OUTSIDE SAID VESSEL, A SUPPLY CONDUIT FROM SAID VALVE TO SAID ANALYZING CELL, AND OUTLET CONDUIT EXTENDING FROM THE BOTTOM OF SAID ANALYZING CELL TO CONTROL FLUID FLOW FROM THE ANALYZING CELL, SAID MULTIWAY VALVE CONNECTING IN A FIRST POSITION SAID FIRST NAMED CONDUIT TO SAID RETURN CONDUIT TO RECIRCULATE THE LIQUID AND IN A SECOND POSITION CONNECTING SAID FIRST NAMED CONDUIT TO SAID SUPPLY CONDUIT TO SUPPLY SAID ANALYZING CELL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |