US3090380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resuscitation device
Assignee: Individual
•
Filing: 1961-04-13
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Granted: 1963-05-21
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Expires: 1981-04-13
Abstract
No abstract record available.
Inventors
- 👤 John F Dold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:08
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0057; A61M16/0081
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
A RESUSCITATOR VALVE ASSEMBLY COMPRISING, IN COMBINATION, A COMPOUNDLY CURVED CASING FORMING A CHAMBER THEREIN, MEANS FORMING AN OPENING IN SAID CASING FOR CONNECTION TO A PATIENT, MEANS FORMING AN EXHAUST PORT IN SAID CASING AT A POINT REMOVED FROM SAID OPENING, A THIN-WALLED INFLATABLE BALLOON-LIKE MEMBER IN SAID CASING CONNECTABLE TO A SOURCE OF GAS OUTSIDE SAID CASING, AND A NORMALLY CLOSED ONE-WAY VALVE SUPPORTED IN THE WALL OF SAID BALLOON-LIKE MEMBER AND POSITIONED TO COMMUNICATE WITH SAID OPENING WHEN SAID BALLOON-LIKE MEMBER IS INFLATED, SAID VALVE OPENING ONLY AT A PRESSURE GREATER THAN THAT REQUIRED TO INFLATE SAID BALLOON-LIKE MEMBER TO SUBSTANTIALLY FILL SAID CASING CHAMBER WHEREBY SAID VALVE IS MOVABLE TO AND FROM SAID OPENING BY PRESSURE CHANGES IN SAID BALLOON-LIKE MEMBER TO RELEASE GAS THERETHROUGH ONLY WHEN POSITIONED AT SAID OPENING BY INFLATION OF SAID BALLOON-LIKE MEMBER.
References Cited (Backward Citations)
US2382427A
Cited
USRE24193E
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US2746477A
Cited
DE1095470B
Cited
GB833093A
Cited
FR1204930A
Cited
FR1207372A
Cited
US3046978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |