US3437448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining the alcohol content of exhaled air
Assignee: Individual
•
Filing: 1966-08-25
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Granted: 1969-04-08
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Lothar Miczka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:57
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/22; C; C21; C21D; C21D9/00; C21D9/08; G01N33/00; G01N33/48; G01N33/50; G01N33/52; Y; Y10; Y10S; Y10S436/00; Y10S436/90; Y10T; Y10T436/00; Y10T436/20; Y10T436/203332; Y10T436/204165
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A DEVICE FOR DETERMINING THE ALCOHOL CONTENT OF EXHALED AIR COMPRISING, IN COMBINATION, A RIGID TUBE OF TRANSPARENT MATERIAL, AN INDICATOR SUBSTANCE RESPONSIVE TO THE ALCOHOL CONTENT OF EXHALED AIR, MEANS FOR POSITIONING SAID IDICATOR SUBSTANCE IN ONE LONGITUDINAL PORTION OF THE TUBE, A SECOND INDICATOR SUBSTANCE RESPONSIVE TO THE EXHALED AIR PASSING THROUGH THE TUBE IN ORDER TO OPTICALLY INDICATE WHEN A PRESCRIBED QUANTITY OF SUCH AIR HAS PASSED THERETHROUGH, AND MEANS FOR POSITIONING SAID SECOND INDICATOR SUBSTANCE IN A SECOND LONGITUDINAL PORTION OF THE TUBE, THE TUBE BEING OF A SHAPE SUCH THAT SAID FIRST AND SECOND LONGITUDINAL PORTIONS THEREOF ARE NON-COLLINEAR, WHEREBY THE SAID SECOND PORTION IS VISIBLE TO THE USER WHEN THE SAID FIRST PORTION IS APPLIED TO THE MOUTH.
Claim 2
Independent Claim
124 words
A DEVICE FOR DETERMINING THE ALCOHOL CONTENT OF EXHALED AIR COMPRISING, IN COMBINATION, A RIGID TUBE OF TRANSPARENT MATERIAL, AN INDICATOR SUBSTANCE RESPONSIVE TO THE ALCOHOL CONTENT OF EXHALED AIR, MEANS FOR POSITIONING SAID IDICATOR SUBSTANCE IN ONE LONGITUDINAL PORTION OF THE TUBE, A SECOND INDICATOR SUBSTANCE RESPONSIVE TO THE EXHALED AIR PASSING THROUGH THE TUBE IN ORDER TO OPTICALLY INDICATE WHEN A PRESCRIBED QUANTITY OF SUCH AIR HAS PASSED THERETHROUGH, AND MEANS FOR POSITIONING SAID SECOND INDICATOR SUBSTANCE IN A SECOND LONGITUDINAL PORTION OF THE TUBE, THE TUBE BEING OF A SHAPE SUCH THAT SAID FIRST AND SECOND LONGITUDINAL PORTIONS THEREOF ARE NON-COLLINEAR, WHEREBY THE SAID SECOND PORTION IS VISIBLE TO THE USER WHEN THE SAID FIRST PORTION IS APPLIED TO THE MOUTH.
References Cited (Backward Citations)
US2591691A
Cited
US3009786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |