Patent US3323934A successfully refreshed from Google Patents.
US3323934A
Expired / Lapsed
US
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Electrostatic coating process and apparatus
Assignee: Machines Electrostatiques SA
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Filing: 1963-08-05
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Granted: 1967-06-06
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Marcel A R Point
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:56
CPC Classifications
B; B05; B05B; B05B5/00; B05B5/08; B05B5/087; B05D; B05D1/00; B05D1/02; B05D1/04; B05D1/06; B05D1/36; B05D7/00; B05D7/50; B05D7/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN A METHOD FOR ELECTROSTATICALLY COATING A SURFACE WITH A DIVIDED SUBSTANCE, IN COMBINATION, APPLYING PARTICLES OF THE DIVIDED SUBSTANCE TO SAID SURFACE DURING AN ELECTROSTATIC PRECIPITATION STEP, THEREAFTER APPLYING PARTICLES OF SAID SUBSTANCE TO SAID SURFACE DURING A SUBSEQUENT ELECTROSTATIC PRECIPITATION STEP, AND ELECTRICALLY CHARGING THE PARTICLES APPLIED TO SAID SURFACE DURING EACH
Claim 2
Dependent Claim
54 words
IN A METHOD FOR ELECTROSTATICALLY COATING A SURFACE WITH A DIVIDED SUBSTANCE, IN COMBINATION, APPLYING PARTICLES OF THE DIVIDED SUBSTANCE TO SAID SURFACE DURING AN ELECTROSTATIC PRECIPITATION STEP, THEREAFTER APPLYING PARTICLES OF SAID SUBSTANCE TO SAID SURFACE DURING A SUBSEQUENT ELECTROSTATIC PRECIPITATION STEP, AND ELECTRICALLY CHARGING THE PARTICLES APPLIED TO SAID SURFACE DURING EACH
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |