US3248606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispersing and electrically charging substances in discrete particulate form
Assignee: Machines Electrostatiques SA
•
Filing: 1962-12-03
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Granted: 1966-04-26
•
Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Reginald P Fraser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
F; F41; F41H; F41H13/00; B; B05; B05B; B05B5/00; B05B5/025; B05B5/03; B05B5/032; B05B5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
APPARATUS FOR COATING OBJECTS WITH A SUBSTANCE IN DISCRETE PARTICULATE FORM, COMPRISING A NOZZLE WITH AN INPUT ORIFICE AND A DISCHARGE ORIFICE, MEANS CONNECTED TO SAID INPUT ORIFICE OF THE NOZZLE FOR FEEDING PARTICLES SUSPENDED IN A GAS STREAM AXIALLY FOR FEEDING PARTICLES DISCHARGED FROM SAID DISCHARGE ORIFICE OF THE NOZZLE, AT LEAST SAID DISCHARGE ORIFICE OF THE NOZZLE COMPRISING CONDUCTING MATERIAL, A SOURCE OF DIRECT CURRENT ELECTRIC POWER, ONE POLE OF WHICH IS CONNECTED TO SAID CONDUCTING MATERIAL WHILE THE OTHER POLE IS CONNECTED TO THE OBJECT TO BE COATED SO AS TO CREATE AN IONIZING ZONE ADJACENT TO THE DISCHARGE ORIFICE OF SAID NOZZLE, AND MEANS FOR DIRECTING
Claim 2
Dependent Claim
110 words
APPARATUS FOR COATING OBJECTS WITH A SUBSTANCE IN DISCRETE PARTICULATE FORM, COMPRISING A NOZZLE WITH AN INPUT ORIFICE AND A DISCHARGE ORIFICE, MEANS CONNECTED TO SAID INPUT ORIFICE OF THE NOZZLE FOR FEEDING PARTICLES SUSPENDED IN A GAS STREAM AXIALLY FOR FEEDING PARTICLES DISCHARGED FROM SAID DISCHARGE ORIFICE OF THE NOZZLE, AT LEAST SAID DISCHARGE ORIFICE OF THE NOZZLE COMPRISING CONDUCTING MATERIAL, A SOURCE OF DIRECT CURRENT ELECTRIC POWER, ONE POLE OF WHICH IS CONNECTED TO SAID CONDUCTING MATERIAL WHILE THE OTHER POLE IS CONNECTED TO THE OBJECT TO BE COATED SO AS TO CREATE AN IONIZING ZONE ADJACENT TO THE DISCHARGE ORIFICE OF SAID NOZZLE, AND MEANS FOR DIRECTING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |