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Patent US3655549A successfully refreshed from Google Patents.
US3655549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixtures for electrochemical processes
Assignee: COMMERCE UNION BANK AS TRUSTEE UNDER TRUST DATED DECEMBER 1 1985
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Filing: 1970-06-03
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Granted: 1972-04-11
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Expires: 1990-06-03
Abstract
Abstract A rack for use in electroplating having current-carrying metal workpiece mounting brackets which are substantially covered with insulation but which have selected areas not covered with insulation so as to expose the bare metal of the brackets to the surrounding plating solution or air in order to provide efficient transfer of heat from the bracket to the surrounding medium.
Inventors
- 👤 Robert G Wild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:33
CPC Classifications
C; C25; C25D; C25D17/00; C25D17/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
40 words
The apparatus called for in claim 1 wherein said remainder of said section of said third portion of said support bracket has a plurality of spaced apart areas uncovered by said insulation facing in the opposite direction from said electrode.
Claim 2
Dependent Claim
16 words
The apparatus called for in claim 1 wherein said support bracket comprises a flexible metal spring.
Claim 3
Dependent Claim
117 words
The apparatus called for in claim 3 wherein said bracket comprises a generally flat spring metal strip having lengthwise opposite ends corresponding to said first and second portions a generally flat portion between the two ends adapted to be submerged when the tank is filled with solution to the desired level and having a generally flat surface facing toward said electrode and a generally flat surface facing in the opposite direction from said electrode, said insulation covering the entire flat surface facing said electrode but selectively covering the other flat surface thereof so as to leave at least one uncovered area thereon exposed to the surrounding medium to facilitate heat transfer from the strip to the medium.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |