US3647646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for electroplating cylindrical objects
Assignee: Eastman Kodak Co
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Filing: 1968-03-04
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Granted: 1972-03-07
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Expires: 1988-03-04
Abstract
Abstract IN ELECTROPLATING A CYLINDRICAL OBJECT WHICH SERVES AS CATHODE IN THE PLATING PROCESS AND IS POSITIONED ADJACENT TO AN ANODE IMMERSED IN THE PLATING BATH, THE OBJECT IS MOUNTED IN SUCH MANNER THAT IT IS ONLY PARTIALLY SUBMERSED AND THE BATH IS AGITATED WITH SUFICIENT FORCE THAT THE EXPOSED SURFACE OF THE OBJECT IS MAINTAINED COMPLETELY AWASH WITH THE ELECTROLYTE SOLUTION. DEFECTS IN THE PLATING RESULTING FROM OCCLUSION OF AIR BUBBLES OR SOLID PARTICLES ARE THEREBY MINIMIZED AND A HIGH PLATING RATE IS ATTAINED.
Inventors
- 👤 William M Tucker
- 👤 Barrie M Gardner
- 👤 John W Hayford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:48
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/08
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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |