US3071131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement in a breathing device
Assignee: Svenska AB Gasaccumulator
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Filing: 1959-04-27
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Granted: 1963-01-01
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Johannisson Dag
- 👤 Linderholm Hakan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:29
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0057; A61M16/0081; A61M16/0003; A61M16/0009; A61M16/10; A61M16/105; A61M16/106; A61M16/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
APPARATUS FOR SUPPLYING BREATHABLE GAS TO A PATIENT COMPRISING A SOURCE OF BREATHABLE GAS, CONDUIT MEANS FOR CONDUCTING SAID GAS TO THE LUNGS OF A PATIENT, MEANS FOR CREATING A PULSATING FLOW OF GAS THROUGH SAID CONDUIT, AND PRESSURE RESPONSIVE MEANS FOR INCREASING THE FLOW OF GAS THROUGH SAID CONDUIT DURING EACH PULSE WHEN AN INCREASE IN FLOW RESISTANCE CAUSES AN INCREASED PRESSURE IN SAID CONDUIT.
Claim 2
Dependent Claim
66 words
APPARATUS FOR SUPPLYING BREATHABLE GAS TO A PATIENT COMPRISING A SOURCE OF BREATHABLE GAS, CONDUIT MEANS FOR CONDUCTING SAID GAS TO THE LUNGS OF A PATIENT, MEANS FOR CREATING A PULSATING FLOW OF GAS THROUGH SAID CONDUIT, AND PRESSURE RESPONSIVE MEANS FOR INCREASING THE FLOW OF GAS THROUGH SAID CONDUIT DURING EACH PULSE WHEN AN INCREASE IN FLOW RESISTANCE CAUSES AN INCREASED PRESSURE IN SAID CONDUIT.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |