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US3103928A
Expired / Lapsed
US
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Flow device
Assignee: Individual
•
Filing: 1960-11-14
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Granted: 1963-09-17
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Cyrus R Broman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:37
CPC Classifications
A; A61; A61M; A61M19/00; A61M5/00; A61M5/44; A61M2205/00; A61M2205/36; A61M2205/3606; A61M2205/366; Y; Y10; Y10S; Y10S128/00; Y10S128/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN APPARATUS FOR PRACTICING HYPOTHERMIA, A CONDUIT ADAPTED TO BE CONNECTED AT THE ENDS THEREOF TO A PATIENT FOR EXTRA-CORPOREAL CIRCULATION OF BLOOD, A PAIR OF HEAT EXCHANGERS INTERCONNECTED IN SAID CONDUIT, AN OXYGENATOR ALSO CONNECTED IN SAID CONDUIT BETWEEN SAID HEAT EXCHANGERS, AND MEANS FOR CONTACTING EACH EXCHANGER WITH A HEAT TRANSFER LIQUID, EACH OF SAID HEAT EXCHANGERS COMPRISING A RIGID OPEN FRAME, A TRANSFER MEMBER TENSIONALLY SECURED WITHIN SAID FRAME, SAID MEMBER COMPRISING A PAIR OF FLEXIBLE PLASTIC SHEETS UNITED TOGETHER ALONG SPACED APART LINES TO DEFINE AN ENTRANCE PASSAGE AND AN EXIT PASSAGE, AND A PLURALITY OF SUBSTANTIALLY IDENTICAL PASSAGES INTERCONNECTING SAID ENTRANCE AND EXIT PASSAGES.
Claim 2
Dependent Claim
109 words
IN APPARATUS FOR PRACTICING HYPOTHERMIA, A CONDUIT ADAPTED TO BE CONNECTED AT THE ENDS THEREOF TO A PATIENT FOR EXTRA-CORPOREAL CIRCULATION OF BLOOD, A PAIR OF HEAT EXCHANGERS INTERCONNECTED IN SAID CONDUIT, AN OXYGENATOR ALSO CONNECTED IN SAID CONDUIT BETWEEN SAID HEAT EXCHANGERS, AND MEANS FOR CONTACTING EACH EXCHANGER WITH A HEAT TRANSFER LIQUID, EACH OF SAID HEAT EXCHANGERS COMPRISING A RIGID OPEN FRAME, A TRANSFER MEMBER TENSIONALLY SECURED WITHIN SAID FRAME, SAID MEMBER COMPRISING A PAIR OF FLEXIBLE PLASTIC SHEETS UNITED TOGETHER ALONG SPACED APART LINES TO DEFINE AN ENTRANCE PASSAGE AND AN EXIT PASSAGE, AND A PLURALITY OF SUBSTANTIALLY IDENTICAL PASSAGES INTERCONNECTING SAID ENTRANCE AND EXIT PASSAGES.
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |