Patent US3650932A successfully refreshed from Google Patents.
US3650932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-flow coating method
Assignee: EIDP Inc
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Filing: 1969-11-03
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Granted: 1972-03-21
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Expires: 1989-11-03
Abstract
Abstract IN METHOD FOR ELECTRODEPOSITING AN ORGANIC, FILMFORMING COATING MATERIAL WHEREIN A STREAM OF AN AQUEOUS DISPERSION OF THE COATING MATERIAL IS PASSED FROM A FIRST ELCTRODE TO AN ELECTRICALLY CONDUCTIVE WORKPIECE WHICH SERVES A SECOND ELECTRODE OF A COATING CIRCUIT, A DIFFERNCE OF ELECRICAL POTENTIAL IS PROVIDED BETWEEN THE FIRST ELECTRODE AND THE SECOND ELECTRODE AND UNIDIRECTIONAL ELECTRIC CURRENT IS PASSED BETWEEN THE FIST ELECTODE AND SECOND ELECTRODE THROUGH SAID STREAM, THE IMPROVEMENT WHEREIN A PLURALITY OF STREAMS OF THE AQUEOUS DISPERSION ARE SEPARATELY PASSED IN CONTACT WITH THE FIRST ELECTRODE AND CONVERGED INTO A SINGLE STREAM BEFORE CONTACTING THE WORKPIECE.
Inventors
- 👤 Allen H Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:56
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/22
Claims Analysis
Total Claims: 0
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References 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) | 1975-03-21 | 1975-09-20 | 1976-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-21 | 1979-09-20 | 1980-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-21 | 1983-09-20 | 1984-03-21 | $7700.00 | Window Closed / Lapsed |