Patent US3333584A successfully refreshed from Google Patents.
US3333584A
Expired / Lapsed
US
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Pressure breathing monitor
Assignee: Air Shields Inc
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Filing: 1964-06-18
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Granted: 1967-08-01
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Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 Christian B Andreasen
- 👤 Edward P Romani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:19
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/0051; A61M16/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A MONITOR FOR USE WITH AN ELECTRICALLY OPERATED BREATHING MACHINE HAVING A PATIENT''S AIRWAY COMRPSING AN ELECTRICAL POWER SUPPLY CONNECTION FOR THE BREATHING MACHINE, A SHUT-OFF SWITCH FOR THE POWER SUPPLY CONNECTION, TIMING MECHANISM FOR OPENING THE SHUT-OFF SWITCH AFTER THE PASSAGE OF A PREDETERMINED TIME INTERVAL, MEANS FOR RESETTING THE TIMING MECHANISM AND THEREBY PROVIDE AGAINST OPENING OF THE SHUT-OFF SWITCH, AND A FLUID PRESSURE CONTROL DEVICE INCLUDING A CHAMBER ADAPTED TO BE CONNECTED WITH THE PATIENT''S AIRWAY AND THUS TO BE PROJECTED TO PRESSURE FLUCTUATIONS IN ACCORDANCE WITH PRESSURE FLUCTUATIONS IN SAID AIRWAY, THE CONTROL DEVICE INCLUDING MEANS RESPONSIVE TO SAID PRESSURE FLUCTUATIONS FOR ACTUATING THE RESETTING MEANS.
Claim 2
Dependent Claim
110 words
A MONITOR FOR USE WITH AN ELECTRICALLY OPERATED BREATHING MACHINE HAVING A PATIENT''S AIRWAY COMRPSING AN ELECTRICAL POWER SUPPLY CONNECTION FOR THE BREATHING MACHINE, A SHUT-OFF SWITCH FOR THE POWER SUPPLY CONNECTION, TIMING MECHANISM FOR OPENING THE SHUT-OFF SWITCH AFTER THE PASSAGE OF A PREDETERMINED TIME INTERVAL, MEANS FOR RESETTING THE TIMING MECHANISM AND THEREBY PROVIDE AGAINST OPENING OF THE SHUT-OFF SWITCH, AND A FLUID PRESSURE CONTROL DEVICE INCLUDING A CHAMBER ADAPTED TO BE CONNECTED WITH THE PATIENT''S AIRWAY AND THUS TO BE PROJECTED TO PRESSURE FLUCTUATIONS IN ACCORDANCE WITH PRESSURE FLUCTUATIONS IN SAID AIRWAY, THE CONTROL DEVICE INCLUDING MEANS RESPONSIVE TO SAID PRESSURE FLUCTUATIONS FOR ACTUATING THE RESETTING MEANS.
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |