US3676316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coating metal workpieces with water soluble or colloidal coloring matter emulsified in water
Assignee: HAJTOMU ES FELVONOGYAR
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Filing: 1968-01-16
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Granted: 1972-07-11
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Expires: 1988-01-16
Abstract
Abstract A method is provided for coating metal workpieces with coloring material in a continuous process, by being interconnected to form an anode and are advanced sequentially through a solution of coloring matter in a continuous procedure. The coloring material is contained in a vessel forming a cathode and a coulomb meter integrator-regulating means senses, a time and a current quantum impulse; a valve being provided for controlling the flow of coloring material from a supply to the vessel cathode and being actuated by the aforesaid regulator means.
Inventors
- 👤 Domokos Jozsef
- 👤 Benedek Gyorgy
- 👤 Kiss Bela
- 👤 Winkler Laszlo
- 👤 Beller Zoltan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:30
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3404079A
Cited
US3382165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |