US3358683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas recirculation systems
Assignee: Vickers Ltd
•
Filing: 1964-07-14
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Granted: 1967-12-19
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Expires: 1984-07-14
Abstract
No abstract record available.
Inventors
- 👤 Goitein Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:34
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61G; A61G10/00; A61G10/02; A61G10/023; A61G10/026; A61M16/0051; A61M16/021; A61M16/08; A61M16/0816; A61M16/0833; F; F24; F24F; F24F3/00; F24F3/044; A61M16/105; A61M16/106; A61M16/107; A61M16/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
APPARATUS FOR SUPER-ATMOSPHERIC OXYGEN THERAPY COMPRISING: (A) A TREATMENT CHAMBER FOR RECEIVING THE PATIENT TO BE TREATED, (B) A DOOR FOR SAID CHAMBER FOR SEALING THE LATTER WITH THE PATIENT THEREIN, (C) A SOURCE OF HIGH PRESSURE OXYGEN, (D) AN INLET TO SAID CHAMBER, (E) AN OUTLET FROM SAID CHAMBER, (F) A CONDUIT CONNECTING SAID SOURCE TO SAID INLET, (G) MEANS FOR CONTROLLING INCREASE OF PRESSURE IN SAID CHAMBER FROM ATMOSPHERIC UP TO THE DESIRED TREATMENT PRESSURE, (H) MEANS FOR PREVENTING SAID TREATMENT PRESSURE EXCEEDING A SET VALUE, (I) MEANS FOR CONTROLLING DECREASE OF PRESSURE IN SAID CHAMBER FROM THE TREATMENT PRESSURE DOWN TO ATMOSPHERIC,
Claim 2
Dependent Claim
105 words
APPARATUS FOR SUPER-ATMOSPHERIC OXYGEN THERAPY COMPRISING: (A) A TREATMENT CHAMBER FOR RECEIVING THE PATIENT TO BE TREATED, (B) A DOOR FOR SAID CHAMBER FOR SEALING THE LATTER WITH THE PATIENT THEREIN, (C) A SOURCE OF HIGH PRESSURE OXYGEN, (D) AN INLET TO SAID CHAMBER, (E) AN OUTLET FROM SAID CHAMBER, (F) A CONDUIT CONNECTING SAID SOURCE TO SAID INLET, (G) MEANS FOR CONTROLLING INCREASE OF PRESSURE IN SAID CHAMBER FROM ATMOSPHERIC UP TO THE DESIRED TREATMENT PRESSURE, (H) MEANS FOR PREVENTING SAID TREATMENT PRESSURE EXCEEDING A SET VALUE, (I) MEANS FOR CONTROLLING DECREASE OF PRESSURE IN SAID CHAMBER FROM THE TREATMENT PRESSURE DOWN TO ATMOSPHERIC,
References Cited (Backward Citations)
DE298016C
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GB191323345A
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US1848194A
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FR1189767A
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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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |