Patent US3353535A successfully refreshed from Google Patents.
US3353535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anesthetic and analgesic inhaler apparatus
Assignee: Airco Inc
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Filing: 1964-10-30
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Granted: 1967-11-21
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Expires: 1984-10-30
Abstract
No abstract record available.
Inventors
- 👤 Gardner Frank Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:54
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/14; A61M16/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
ANESTHETIC AND ANALGESIC INHALER APPARATUS COMPRISING A VAPORIZING CHAMBER TO CONTAIN LIQUID AGENT FOR PRODUCTING VAPOR, A VALVE AT AN OUTLET OF SAID CHAMBER, MEANS FOR DILUTING WITH BY-PASS GAS THE GAS/VAPOR FROM SAID CHAMBER INCLUDING A GAS BY-PASS CONTROL MEMBER, CONTROL MEANS WHICH INCLUDES A CAM MEANS INTERCHANGEABLE FOR EACH AGENT AND WHICH IS ADJUSTABLE TO GIVE A CHOSEN VAPOR CONCENTRATION BY VARYING SAID OUTLET VALVE OPENING; MEANS ACTUABLE BY SAID INTERCHANGEABLE CAM MEANS TO ADJUST SAID BY-PASS CONTROL MEMBER TO A POSITION APPROPRIATE TO THE PARTICULAR AGENT, AND A SECOND GAS BYPASS CONTROL MEMBER SECURED TO SAID OUTLET VALVE FOR MOVEMENT THEREWITH AND SO AS TO CO-ACT WITH THE FIRST SAID BY-PASS CONTROL MEMBER TO PROVIDE ACCORDING TO SAID OUTLET VALVE OPENING OPTIMUM GAS BY-PASS CHARACTERISTICS AS PREDETERMINED FOR THE PARTICULAR AGENT.
Claim 2
Dependent Claim
134 words
ANESTHETIC AND ANALGESIC INHALER APPARATUS COMPRISING A VAPORIZING CHAMBER TO CONTAIN LIQUID AGENT FOR PRODUCTING VAPOR, A VALVE AT AN OUTLET OF SAID CHAMBER, MEANS FOR DILUTING WITH BY-PASS GAS THE GAS/VAPOR FROM SAID CHAMBER INCLUDING A GAS BY-PASS CONTROL MEMBER, CONTROL MEANS WHICH INCLUDES A CAM MEANS INTERCHANGEABLE FOR EACH AGENT AND WHICH IS ADJUSTABLE TO GIVE A CHOSEN VAPOR CONCENTRATION BY VARYING SAID OUTLET VALVE OPENING; MEANS ACTUABLE BY SAID INTERCHANGEABLE CAM MEANS TO ADJUST SAID BY-PASS CONTROL MEMBER TO A POSITION APPROPRIATE TO THE PARTICULAR AGENT, AND A SECOND GAS BYPASS CONTROL MEMBER SECURED TO SAID OUTLET VALVE FOR MOVEMENT THEREWITH AND SO AS TO CO-ACT WITH THE FIRST SAID BY-PASS CONTROL MEMBER TO PROVIDE ACCORDING TO SAID OUTLET VALVE OPENING OPTIMUM GAS BY-PASS CHARACTERISTICS AS PREDETERMINED FOR THE PARTICULAR AGENT.
References Cited (Backward Citations)
US2206688A
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US2553446A
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US2941528A
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US2989950A
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US3156238A
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US3162192A
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US3263974A
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |