Patent US2532907A successfully refreshed from Google Patents.
US2532907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for electrolytically treating metal surfaces
Assignee: Individual
•
Filing: 1946-09-18
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Granted: 1950-12-05
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Expires: 1966-09-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Hangosky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:22
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/32
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
101 words
THE METHOD OF ANODICALLY REMOVING METAL FROM THE SURFACE OF METAL OBJECT WHICH COMPRISES THE STEPS OF MOVING A NON-PARTICULATED COLUMN OF ELECTROLYTE UPWARDLY THROUGH AN OPENING IN A HORIZONTAL STAGE TOWARD SAID OBJECT, CONTROLLING THE FLOW OF THE ELECTROLYTE IN SAID COLUMN SO THAT IN THE ABSENCE OF THE OBJECT, THE CREST EXTENDS ABOVE THE TOP SURFACE OF THE STAGE AND IS CHARACTERIZED BY HAVING A SMOOTHSURFACED, CONVEX FORM, CONTACTING THE OBJECT WITH SAID STREAM, REMOVING ELECTROLYTE WHICH HAS CONTACTED THE OBJECT BY CONDUCTING IT RADIALLY OUTWARDLY, AND PASSING ELECTRIC CURRENT THROUGH SAID STREAM WITH SAID OBJECT CONNECTED AS ANODE.
Claim 2
Independent Claim
101 words
THE METHOD OF ANODICALLY REMOVING METAL FROM THE SURFACE OF METAL OBJECT WHICH COMPRISES THE STEPS OF MOVING A NON-PARTICULATED COLUMN OF ELECTROLYTE UPWARDLY THROUGH AN OPENING IN A HORIZONTAL STAGE TOWARD SAID OBJECT, CONTROLLING THE FLOW OF THE ELECTROLYTE IN SAID COLUMN SO THAT IN THE ABSENCE OF THE OBJECT, THE CREST EXTENDS ABOVE THE TOP SURFACE OF THE STAGE AND IS CHARACTERIZED BY HAVING A SMOOTHSURFACED, CONVEX FORM, CONTACTING THE OBJECT WITH SAID STREAM, REMOVING ELECTROLYTE WHICH HAS CONTACTED THE OBJECT BY CONDUCTING IT RADIALLY OUTWARDLY, AND PASSING ELECTRIC CURRENT THROUGH SAID STREAM WITH SAID OBJECT CONNECTED AS ANODE.
Claim 3
Dependent Claim
40 words
IN APPARTUS FOR ANODICALLY REMOVING METAL FROM THE SURFACE OF A METAL OBJECT, THE COMBINATION OF A LSUBSTNTIALLY HORIZONTAL STAGE HAVING A FRUSTO-CONICAL, VERTICAL OPENING THERETHROUGH WITH THE LARGER DIAMETER PORTION OF THE OPENING FACING DOWNWARDLY, A CONDUIT PROJECTING UP-
Claim 4
Dependent Claim
40 words
IN APPARTUS FOR ANODICALLY REMOVING METAL FROM THE SURFACE OF A METAL OBJECT, THE COMBINATION OF A LSUBSTNTIALLY HORIZONTAL STAGE HAVING A FRUSTO-CONICAL, VERTICAL OPENING THERETHROUGH WITH THE LARGER DIAMETER PORTION OF THE OPENING FACING DOWNWARDLY, A CONDUIT PROJECTING UP-
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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) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |