US2979452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electroplating crankshaft journals
Assignee: National Forge Co
•
Filing: 1954-08-23
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Granted: 1961-04-11
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Expires: 1974-08-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Ludwig
- 👤 Donald D Dalrymple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:20
CPC Classifications
C; C25; C25D; C25D7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
APPARATUS FOR ELECTROPLATING A CRANKSHAFT JOURNAL COMPRISING A HOUSING SURROUNDING ONLY THE JOURNAL PORTION OF SAID CRANKSHAFT, SAID HOUSING INCLUDING ALIGNED OPENINGS IN THE SIDEWALLS THEREOF FOR RECEIVING THE JOURNAL, AND SAID HOUSING BEING SECTIONALIZED AT SAID OPENINGS TO PERMIT INSTALLATION AND REMOVAL WITH RESPECT TO THE JOURNAL, AN ARCUATE ANODE WITHIN SAID HOUSING MAINTAINED IN CONCENTRIC SPACED RELATION TO SAID JOURNAL, SAID ANODE BEING SECTIONALIZED TO PERMIT INSTALLATION AND REMOVAL WITH RESPECT TO THE JOURNAL, AN ELECTRICALLY CONDUCTIVE PIPE PASSING THROUGH A WALL OF SAID HOUSING, SAID PIPE BEING CONNECTED TO SAID ANODE AND ALSO CONSTITUTING AN INLET FOR ELECTROLYTE INTO SAID HOUSING, AN OUTLET ON SAID HOUSING FOR REMOVING ELECTROLYTE THEREFROM, MEANS FOR CIRCULATING ELECTROLYTE THROUGH SAID HOUSING BETWEEN SAID INLET AND OUTLET, AND MEANS FOR ROTATING SAID JOURNAL.
Claim 2
Dependent Claim
131 words
APPARATUS FOR ELECTROPLATING A CRANKSHAFT JOURNAL COMPRISING A HOUSING SURROUNDING ONLY THE JOURNAL PORTION OF SAID CRANKSHAFT, SAID HOUSING INCLUDING ALIGNED OPENINGS IN THE SIDEWALLS THEREOF FOR RECEIVING THE JOURNAL, AND SAID HOUSING BEING SECTIONALIZED AT SAID OPENINGS TO PERMIT INSTALLATION AND REMOVAL WITH RESPECT TO THE JOURNAL, AN ARCUATE ANODE WITHIN SAID HOUSING MAINTAINED IN CONCENTRIC SPACED RELATION TO SAID JOURNAL, SAID ANODE BEING SECTIONALIZED TO PERMIT INSTALLATION AND REMOVAL WITH RESPECT TO THE JOURNAL, AN ELECTRICALLY CONDUCTIVE PIPE PASSING THROUGH A WALL OF SAID HOUSING, SAID PIPE BEING CONNECTED TO SAID ANODE AND ALSO CONSTITUTING AN INLET FOR ELECTROLYTE INTO SAID HOUSING, AN OUTLET ON SAID HOUSING FOR REMOVING ELECTROLYTE THEREFROM, MEANS FOR CIRCULATING ELECTROLYTE THROUGH SAID HOUSING BETWEEN SAID INLET AND OUTLET, AND MEANS FOR ROTATING SAID JOURNAL.
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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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |