Patent US2207229A successfully refreshed from Google Patents.
US3185147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resuscitator
Assignee: Individual
•
Filing: 1961-09-13
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Granted: 1965-05-25
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Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 George L Champagne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:32
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0048; A61M16/10; A61M16/105; A61M16/106; A61M16/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A RESUSCITATOR COMPRISING, A CYLINDRICAL HOUSING PROVIDED AT ONE END WITH AN OUTLET TERMINATING IN A MOUTHPIECE, A CLOSURE CAP AT THE OPPOSITE END OF THE HOUSING, A PAIR OF SPACED FLEXIBLE DIAPHRAGM WITHIN THE HOUSING DIVIDING THE SAME INTO UPPER, LOWER NAD INTERMEDIATE CHAMBERS, A ROD AXIALLY MOVABLE THROUGH THE HOUSING, SAID ROD BEING FIXEDLY ATTACHED TO THE UPPER DIAPHRAGM AND ATTACHED WITH A LOST-MOTION CONNECTION TO THE LOWER DIAPHRAGM WHEREBY THE ROD HAS A LIMITED AXIAL MOVEMENT RELATIVELY TO THE LOWER DIAPHRAGM, A CHECK VALVE IN THE LOWER CHAMBER PERMITTING THE EGRESS OF AIR THEREFROM INTO THE MOUTHPIECE, A SECOND CHECK-VALVE IN THE LOWER CHAMBER PERMITTING THE ENTRY OF AIR THEREINTO FROM ATMOSPHERE, A MOUTHPIECE ATTACHED TO THE CLOSURE CAP AND COMMUNICATING WITH THE UPPER CHAMBER, A CHECK VALVE PERMITTING THE EGRESS OF AIR FROM THE INTERMEDIATE CHAMBER, A SCAVENGING PASSAGE EXTENDING CO-EXTENSIVELY WITH THE MOUTHPIECE AND COMMUNICATING WITH THE INTERMEDIATE CHAMBER, AND A CHECK VALVE PERMITTING THE EGRESS OF AIR FROM SAID SCAVENGING PASSAGE AND THE ENTRY OF SUCH AIR INTO THE INTERMEDIATE CHAMBER.
Claim 2
Dependent Claim
177 words
A RESUSCITATOR COMPRISING, A CYLINDRICAL HOUSING PROVIDED AT ONE END WITH AN OUTLET TERMINATING IN A MOUTHPIECE, A CLOSURE CAP AT THE OPPOSITE END OF THE HOUSING, A PAIR OF SPACED FLEXIBLE DIAPHRAGM WITHIN THE HOUSING DIVIDING THE SAME INTO UPPER, LOWER NAD INTERMEDIATE CHAMBERS, A ROD AXIALLY MOVABLE THROUGH THE HOUSING, SAID ROD BEING FIXEDLY ATTACHED TO THE UPPER DIAPHRAGM AND ATTACHED WITH A LOST-MOTION CONNECTION TO THE LOWER DIAPHRAGM WHEREBY THE ROD HAS A LIMITED AXIAL MOVEMENT RELATIVELY TO THE LOWER DIAPHRAGM, A CHECK VALVE IN THE LOWER CHAMBER PERMITTING THE EGRESS OF AIR THEREFROM INTO THE MOUTHPIECE, A SECOND CHECK-VALVE IN THE LOWER CHAMBER PERMITTING THE ENTRY OF AIR THEREINTO FROM ATMOSPHERE, A MOUTHPIECE ATTACHED TO THE CLOSURE CAP AND COMMUNICATING WITH THE UPPER CHAMBER, A CHECK VALVE PERMITTING THE EGRESS OF AIR FROM THE INTERMEDIATE CHAMBER, A SCAVENGING PASSAGE EXTENDING CO-EXTENSIVELY WITH THE MOUTHPIECE AND COMMUNICATING WITH THE INTERMEDIATE CHAMBER, AND A CHECK VALVE PERMITTING THE EGRESS OF AIR FROM SAID SCAVENGING PASSAGE AND THE ENTRY OF SUCH AIR INTO THE INTERMEDIATE CHAMBER.
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |