US3695909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for electrostatic coating of objects with a powder coating material
Assignee: Tunzini Ameliorair SA
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Filing: 1970-05-18
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Granted: 1972-10-03
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Expires: 1990-05-18
Abstract
Abstract THE PRESENT INVENTION RELATES TO A METHOD AND APPARATUS FOR THE PARTIAL SURFACE COATING OF OBJECTS, SUCH AS ELECTRICAL COMPONENTS, MOVING PAST AN ELECTROSTATIC COATING STATION WHERE THEY ARE COATED WITH ELECTRIFIED PARTICLES OF COATING MATERIAL. ACCORDING TO THE INVENTION THE PORTION OR PORTIONS OF THE COMPONENTS WHICH ARE NOT TO BE COATED, E.G. THE CONNECTING WIRES OF ELECTRICAL COMPONENTS, ARE MAINTAINED IN A ZONE OF PNEUMATIC OVERPRESSURE DURING THEIR PASSAGE THROUGH THE COATING STATION, WHEREBY SUCH PORTIONS DO NOT BECOME COATED.
Inventors
- 👤 Pierre Fabre
- 👤 Robert Giroud-Garampon
- 👤 Michel Gondrand
- 👤 Fernand Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:36
CPC Classifications
B; B05; B05C; B05C19/00; B05C19/02; B05C19/025; B05B; B05B12/00; B05B12/16; B05B12/18; B05B16/00; B05B16/90; B05B16/95; B05D; B05D1/00; B05D1/02; B05D1/04; B05D1/06; B05D1/32; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |