US3265062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for breathing apparatus
Assignee: Individual
•
Filing: 1963-07-09
•
Granted: 1966-08-09
•
Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Hesse Holger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:50
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/20; A61M16/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A GAS INHALATION VALVE COMPRISING A GAS FLOW CONDUIT OPEN AT OPPOSED ENDS, MEANS AT ONE OF SAID ENDS FOR CONNECTING SAID CONDUIT TO A SOURCE OF GAS UNDER PRESSURE, A MAGNETICALLY RESPONSIVE VALVE ELEMENT, MOVABLE WITHIN SAID CONDUIT BETWEEN A PAIR OF OPPOSED UPSTREAM AND DOWNSTREAM SEATS, MEANS FOR ESTABLISHING A GAS FLOW FROM SAID SOURCE TOWARDS SAID VALVE AT A FIRST PREDETERMINED PRESSURE, MEANS FOR TEMPORARILY ESTABLISHING GAS FLOW AT A SECOND PREDETERMINED PRESSURE HIGHER THAN SAID FIRST PREDETERMINED PRESSURE, AND MAGNETIC MEANS ADAPTED, AT GAS FLOW PRESSURES BELOW SAID FIRST PREDETERMINED PRESSURE, TO HOLD SAID VALVE ELEMENT IN INLET-CLOSING SEATING CONTACT WITH SAID UPSTREAM SEAT AND, AT GAS FLOW PRESSURES ABOVE SAID FIRST PREDETERMINED PRESSURE AND BELOW SAID SECOND PREDETERMINED PRESSURE TO HOLD SAID VALVE ELEMENT IN PARTIAL, INLET-OPENING CONTACT WITH SAID UPSTREAM SEAT, SAID MAGNETIC MEANS, AT GAS FLOW PRESSURES ABOVE SAID SECOND PREDETERMINED PRESSURE, RELEASING SAID VALVE ELEMENT FOR MOVEMENT INTO SEATING CONTACT WITH SAID DOWNSTREAM SEAT,
Claim 2
Dependent Claim
162 words
A GAS INHALATION VALVE COMPRISING A GAS FLOW CONDUIT OPEN AT OPPOSED ENDS, MEANS AT ONE OF SAID ENDS FOR CONNECTING SAID CONDUIT TO A SOURCE OF GAS UNDER PRESSURE, A MAGNETICALLY RESPONSIVE VALVE ELEMENT, MOVABLE WITHIN SAID CONDUIT BETWEEN A PAIR OF OPPOSED UPSTREAM AND DOWNSTREAM SEATS, MEANS FOR ESTABLISHING A GAS FLOW FROM SAID SOURCE TOWARDS SAID VALVE AT A FIRST PREDETERMINED PRESSURE, MEANS FOR TEMPORARILY ESTABLISHING GAS FLOW AT A SECOND PREDETERMINED PRESSURE HIGHER THAN SAID FIRST PREDETERMINED PRESSURE, AND MAGNETIC MEANS ADAPTED, AT GAS FLOW PRESSURES BELOW SAID FIRST PREDETERMINED PRESSURE, TO HOLD SAID VALVE ELEMENT IN INLET-CLOSING SEATING CONTACT WITH SAID UPSTREAM SEAT AND, AT GAS FLOW PRESSURES ABOVE SAID FIRST PREDETERMINED PRESSURE AND BELOW SAID SECOND PREDETERMINED PRESSURE TO HOLD SAID VALVE ELEMENT IN PARTIAL, INLET-OPENING CONTACT WITH SAID UPSTREAM SEAT, SAID MAGNETIC MEANS, AT GAS FLOW PRESSURES ABOVE SAID SECOND PREDETERMINED PRESSURE, RELEASING SAID VALVE ELEMENT FOR MOVEMENT INTO SEATING CONTACT WITH SAID DOWNSTREAM SEAT,
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |