Breath sampling and analyzing apparatus
Abstract
Abstract A MOTOR-DRIVEN, MULTISTATION, PROGRAM DIRECTING VALVE WHEEL OR DISC HAVING PASSAGEWAYS THEREIN FOR COOPERATING WITH A SAMPLE TAKING TUBE, A SAMPLE RECEIVING AND MEASURING CYLINDER, AND A DELIVERY TUBE, IN A SUITABLE SEQUENCE. A PLURALITY OF CAMS ON THE DISC AND A PLURALITY OF STRATEGICALLY PLACED CAM-OPERATED SWITCHES ASSOCIATED THEREWITH AND WITH A SHUTTLE PISTON COORDINATING SWITCH IN THE SAMPLE RECIEVER AND MEASURING CYLINDER FOR ESTABLISHING AND MAINTAINING A SEQUENCE OF OPERATING STEPS. ALARM MEANS, A PURGE PUMP, AND A COLOR-CODED STAGE INDICATOR, ALL ASSOCIATED WITH THE PROGRAM DISC AND SWITCHES. A PHOTOMETER WITH A SMPLING AMPOULE ASSOCIATED WITH THE DELIVERY TUBE, AND A STANDARD AMPOULE FOR REFERENCE, AND ASSOCIATED MULLMETER AND BALANCING MEANS, WITH A DIRECT READING PERCENT-ALCOHOL REGISTER.
Inventors
- 👤 Robert F Borkenstein
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |