US3123071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anesthetic vapokizer
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:56
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/14; A61M16/18; A61M16/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN ANESTHETIC VAPORIZER FOR USE IN AN ANESTHESIA SYSTEM COMPRISING A MAIN BODY HAVING A BASE PORTION AND AN EVAPORATION TOWER EXTENDING VERTICALLY UPWARD FROM SAID BASE PORTION, A HOUSING IN SPACED RELATION ENCLOSING SAID TOWER AND CONNECTED TO SAID BASE PORTION, A MEANS FOR INTRODUCING LIQUID ANESTHETIC TO THE TOP OF SAID TOWER, A PASSAGE EXTENDING THROUGH SAID BASE PORTION AND HAVING INPUT AND EXHAUST ENDS, FIRST AND SECOND CONDUIT MEANS EACH CONNECTING THE INTERIOR OF SAID HOUSING WITH SAID PASSAGE, SAID FIRST CONDUIT MEANS OPENING INTO SAID PASSAGE AT A POINT CLOSER TO SAID INPUT END THAN SAID SECOND CONDUIT MEANS, MEANS FOR CREATING A PRESSURE DIFFERENTIAL SUCH THAT THE PRESSURE AT THE OPENING OF SAID FIRST CONDUIT MEANS INTO SAID PASSAGE IS HIGHER THAN THE PRESSURE AT THE OPENING OF SAID SECOND CONDUIT MEANS INTO SAID PASSAGE, WHEREBY LIQUID ANESTHETIC IS VAPORIZED WITHIN SAID HOUSING AND A PORTION OF THE CIRCULATING GASEOUS MIXTURE OF THE CLOSED SYSTEM, WHICH PASSES THROUGH SAID PASSAGE,
Claim 2
Dependent Claim
165 words
AN ANESTHETIC VAPORIZER FOR USE IN AN ANESTHESIA SYSTEM COMPRISING A MAIN BODY HAVING A BASE PORTION AND AN EVAPORATION TOWER EXTENDING VERTICALLY UPWARD FROM SAID BASE PORTION, A HOUSING IN SPACED RELATION ENCLOSING SAID TOWER AND CONNECTED TO SAID BASE PORTION, A MEANS FOR INTRODUCING LIQUID ANESTHETIC TO THE TOP OF SAID TOWER, A PASSAGE EXTENDING THROUGH SAID BASE PORTION AND HAVING INPUT AND EXHAUST ENDS, FIRST AND SECOND CONDUIT MEANS EACH CONNECTING THE INTERIOR OF SAID HOUSING WITH SAID PASSAGE, SAID FIRST CONDUIT MEANS OPENING INTO SAID PASSAGE AT A POINT CLOSER TO SAID INPUT END THAN SAID SECOND CONDUIT MEANS, MEANS FOR CREATING A PRESSURE DIFFERENTIAL SUCH THAT THE PRESSURE AT THE OPENING OF SAID FIRST CONDUIT MEANS INTO SAID PASSAGE IS HIGHER THAN THE PRESSURE AT THE OPENING OF SAID SECOND CONDUIT MEANS INTO SAID PASSAGE, WHEREBY LIQUID ANESTHETIC IS VAPORIZED WITHIN SAID HOUSING AND A PORTION OF THE CIRCULATING GASEOUS MIXTURE OF THE CLOSED SYSTEM, WHICH PASSES THROUGH SAID PASSAGE,
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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |