US3385578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anesthesia apparatus
Assignee: FRASER SWEATMAN Inc
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Filing: 1966-09-28
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Granted: 1968-05-28
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Expires: 1986-09-28
Abstract
No abstract record available.
Inventors
- 👤 Gary K Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:53
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/14; A61M16/18; Y; Y10; Y10S; Y10S261/00; Y10S261/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A VAPORIZER FOR MIXING THE VAPOR OF A VOLATILE LIQUID ANESTHETIC AGENT WITH A GAS VEHICLE COMPRISING: A TANK TO CONTAIN THE LIQUID ANESTHETIC AGENT HAVING AN OPENING IN ITS UPPER END, MEANS FOR PASSING BUBBLES OF A GAS THROUGH THE LIQUID ANESTHETIC AGENT, CONDUIT MEANS HAVING AN INLET END IN SAID TANK AND DISCHARGING TO THE EXTERIOR OF THE VAPORIZER TO PROVIDE FOR THE DISCHARGE OF THE GAS VAPOR MIXTURE FROM THE VAPORIZER, AND MEANS FOR PREVENTING OVERFILLING OF THE TANK COMPRISING MEANS FORMING A CHAMBER IN THE TANK COMMUNICATING WITH SAID TANK OPENING,
Claim 2
Dependent Claim
95 words
A VAPORIZER FOR MIXING THE VAPOR OF A VOLATILE LIQUID ANESTHETIC AGENT WITH A GAS VEHICLE COMPRISING: A TANK TO CONTAIN THE LIQUID ANESTHETIC AGENT HAVING AN OPENING IN ITS UPPER END, MEANS FOR PASSING BUBBLES OF A GAS THROUGH THE LIQUID ANESTHETIC AGENT, CONDUIT MEANS HAVING AN INLET END IN SAID TANK AND DISCHARGING TO THE EXTERIOR OF THE VAPORIZER TO PROVIDE FOR THE DISCHARGE OF THE GAS VAPOR MIXTURE FROM THE VAPORIZER, AND MEANS FOR PREVENTING OVERFILLING OF THE TANK COMPRISING MEANS FORMING A CHAMBER IN THE TANK COMMUNICATING WITH SAID TANK OPENING,
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |