US3303840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for collecting and analyzing alveolar gas from the lungs
Assignee: Individual
•
Filing: 1964-07-07
•
Granted: 1967-02-14
•
Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 Etzlinger Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N33/00; G01N33/48; G01N33/483; G01N33/497; G01N33/4972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
APPARATUS FOR COLLECTING ALVEOLAR GAS FROM THE LUNGS FOR ANALYSIS, COMPRISING AN INFLATABLE CONTAINER OF FLEXIBLE NONELASTIC MATERIAL, MEANS DEFINING A FILLING ORIFICE FOR DIRECTING A SPECIMEN OF BREATH INTO THE CONTAINER, MEANS DEFINING AN OUTLET ORIFICE ADJACENT SAID FILLING ORIFICE FOR DISCHARGING GAS FROM THE CONTAINER IN A DIRECTION OPPOSITE TO THE DIRECTION OF ENTRY OF GAS INTO THE CONTAINER SO THAT GAS INTRODUCED INTO THE CONTAINER FIRST FILLS THE CONTAINER AND THEN EJECTS FROM THE CONTAINER GAS PREVIOUSLY INTRODUCED INTO THE CONTAINER, WHEREBY THE GAS THAT REMAINS IN THE CONTAINER IS SUBSTANTIALLY THE GAS WHICH
Claim 2
Dependent Claim
97 words
APPARATUS FOR COLLECTING ALVEOLAR GAS FROM THE LUNGS FOR ANALYSIS, COMPRISING AN INFLATABLE CONTAINER OF FLEXIBLE NONELASTIC MATERIAL, MEANS DEFINING A FILLING ORIFICE FOR DIRECTING A SPECIMEN OF BREATH INTO THE CONTAINER, MEANS DEFINING AN OUTLET ORIFICE ADJACENT SAID FILLING ORIFICE FOR DISCHARGING GAS FROM THE CONTAINER IN A DIRECTION OPPOSITE TO THE DIRECTION OF ENTRY OF GAS INTO THE CONTAINER SO THAT GAS INTRODUCED INTO THE CONTAINER FIRST FILLS THE CONTAINER AND THEN EJECTS FROM THE CONTAINER GAS PREVIOUSLY INTRODUCED INTO THE CONTAINER, WHEREBY THE GAS THAT REMAINS IN THE CONTAINER IS SUBSTANTIALLY THE GAS WHICH
References Cited (Backward Citations)
US327403A
Cited
US2795223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |