US3215057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial atmosphere system
Assignee: RTX Corp
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Filing: 1962-08-31
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Granted: 1965-11-02
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert F Turek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:22
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/12; A61M16/1005; A61M16/1015; B; B64; B64D; B64D13/00; B64D13/02; B64D13/04; A61M16/0003; A61M2016/0027; A61M2016/102; A61M2016/1025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A SYSTEM ADAPTED TO PROVIDE A HABITABLE ARTIFICIAL ATMOSPHERE IN A SEALED COMPARTMENT, SAID SYSTEM COMPRISING A SOURCE OF OXYGEN UNDER PRESSURE, FIRST FLUID PASSAGEWAY MEANS ADAPTED TO CONNECT SAID SOURCE WITH THE COMPARTMENT, A SOURCE OF A SECONDARY GAS UNDER PRESSURE, SECOND FLUID PASSAGEWAY MEANS ADAPTED TO CONNECT SAID SECONDARY GAS SOURCE WITH THE COMPARTMENT, FIRST AND SECOND VALVES RESPECTIVELY IN SAID FIRST AND SECOND PASSAGEWAY MEANS, AND CONTROL MEANS CONNECTED WITH SAID FIRST VALVE AND INCLUDING AN OXYGEN PARTIAL PRESSURE SENSITIVE DEVICE AND A TOTAL PRESSURE RISE SENSITIVE DEVICE ADAPTED TO BE DISPOSED IN THE COMPARTMENT, SAID CONTROL MEANS BEING OPERABLE UNDER THE CONTROL OF SAID PRESSURE SENSITIVE DEVICES TO OPEN AND CLOSE SAID FIRST VALVE RESPECTIVELY ON OCCURRENCE OF A COMPARTMENT OXYGEN PARTIAL PRESSURE BELOW A PRESELECTED LEVEL AND ON OCCURRENCE O A PRESELECTED COMPARTMENT TOTAL PRESSURE RISE FOLLOWING OPENING OF THE FIRST VALVE.
Claim 2
Independent Claim
147 words
A SYSTEM ADAPTED TO PROVIDE A HABITABLE ARTIFICIAL ATMOSPHERE IN A SEALED COMPARTMENT, SAID SYSTEM COMPRISING A SOURCE OF OXYGEN UNDER PRESSURE, FIRST FLUID PASSAGEWAY MEANS ADAPTED TO CONNECT SAID SOURCE WITH THE COMPARTMENT, A SOURCE OF A SECONDARY GAS UNDER PRESSURE, SECOND FLUID PASSAGEWAY MEANS ADAPTED TO CONNECT SAID SECONDARY GAS SOURCE WITH THE COMPARTMENT, FIRST AND SECOND VALVES RESPECTIVELY IN SAID FIRST AND SECOND PASSAGEWAY MEANS, AND CONTROL MEANS CONNECTED WITH SAID FIRST VALVE AND INCLUDING AN OXYGEN PARTIAL PRESSURE SENSITIVE DEVICE AND A TOTAL PRESSURE RISE SENSITIVE DEVICE ADAPTED TO BE DISPOSED IN THE COMPARTMENT, SAID CONTROL MEANS BEING OPERABLE UNDER THE CONTROL OF SAID PRESSURE SENSITIVE DEVICES TO OPEN AND CLOSE SAID FIRST VALVE RESPECTIVELY ON OCCURRENCE OF A COMPARTMENT OXYGEN PARTIAL PRESSURE BELOW A PRESELECTED LEVEL AND ON OCCURRENCE O A PRESELECTED COMPARTMENT TOTAL PRESSURE RISE FOLLOWING OPENING OF THE FIRST VALVE.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |