Formaldehyde gas generator/disseminator
Abstract
Abstract A HEATER SYSTEM FOR BIOLOGICAL STERILIZATION OF LARGE VOLUME ENCLOSED SPACES AND VENTILATION SYSTEMS WITH DRY FORMALDEHYDE GAS. THE HEATER SYSTEM INCLUDES AN ENCLOSED HOUSING WHICH CONTAINS A HEATER ELEMENT, A GAS CHAMBER AND A RESERVIOR. CONTROL MEANS PERMITS PARAFORMALDEHYDE FLAKES TO BE DROPPED FROM THE RESERVOIR ONTO A PLATE ON THE HEATER ELEMENTS IN ORDER TO FORM A GAS FORM THE FLAKES. THE HOUSING IS PROVIDED WITH AN INLET AND OULET. A SUCTION BLOWER IS CONNECTED WITH THE OUTLET, AND BY DRAWING AIR IN THROUGH THE INLET, THE GENERATED GAS IS DRAWN OUT OF THE GAS CHAMBER AND FORCED INTO ANY DESIRED SPACE BY USE OF ANY SUITABLE MEANS SUCH AS AN AIR CONDITIONING, HEATING OR VENTILATION DUCT SYSTEM TO WHICH THE OUTLET OF THE BLOWER IS SECURED.
Inventors
- 👤 Edmond A Roy
- 👤 James C Coolbaugh
- 👤 Wayne D Norris
- 👤 Herbert G Arm
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) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |