US3248253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic transfer method and apparatus for coating articles with a fluidized composition
Assignee: Machines Electrostatiques SA
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Filing: 1963-06-13
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Granted: 1966-04-26
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Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 John C Barford
- 👤 Marcel A R Point
- 👤 Nicolas Guy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:57
CPC Classifications
B; B05; B05B; B05B13/00; B05B13/02; B05B13/04; B05B13/0463; B05B13/0468; B05B13/0473; B05B5/00; B05B5/08; B05B5/082; B05B5/14; B05C; B05C19/00; B05C19/02; B05C19/025; B05D; B05D1/00; B05D1/18; B05D1/22; B05D1/24; B05D7/00; B05D7/20; B05B13/0447; B05D1/007; Y; Y10; Y10S; Y10S118/00; Y10S118/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A METHOD FOR COATING AN ARTICLE, COMPRISING FORMING A BATH OF FLUIDIZED POWER, ELECTRICALLY CHARGING THE BATH OF FLUIDIZED POWER WITH A POTENTIAL DIFFERENT FROM THAT OF AN ARTICLE TO BE COATED, SAID ELECTRICALLY CHARGED FLUIDIZED BATH HAVING AN OBSERVABLE FREE UPPER SURFACE, AND POSITIONING THE ARTICLE, IN SPACED-APART ELECTROSTICALLY, COOPERATING RELATIONSHIP WITH THE FREE UPPER SURFACE OF SAID BATH, SUCH THAT THE POTENTIAL DIFFERENCE BETWEEN SAID FLUIDIZED POWER AND SAID ARTICLE DRAWS POWER OUT OF THE BATH AND ONTO THE ARTICLE TO FORM A LAYER OF POWDER THEREON.
Claim 2
Dependent Claim
95 words
APPARATUS FOR COATING AN ARTICLE, COMPRISING MEANS FOR FORMING A BATH OF FLUIDIZED POWDER, CHARGING MEANS FOR ELECTRICALLY CHARGING THE BATH OF FLUIDIZED POWDER WITH A POTENTIAL DIFFERENT FROM THAT OF AN ARTICLE TO BE COATED, SAID ELECTRICALLY CHARGED FLUIDIZED BATH HAVING AN OBSERVABLE FREE UPPER SURFACE, AND MEANS FOR POSITIONING THE ARTICLE IN SPACED-APART, ELECTROSTICALY COOPERATING RELATIONSHIP WITH THE FREE UPPER SURFACE OF SAID BATH, SUCH THAT THE POTENTIAL DIFFERENCE BETWEEN SAID FLUIDIZED POWDER AND SAID ARTICLE DRAWS POWDER OUT OF THE BATH AND ONTO THE ARTICLE TO FORM A LAYER OF POWDER THEREON.
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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 |