US3002907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic hole sinking
Assignee: Anocut Engineering Co
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Filing: 1959-05-20
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Granted: 1961-10-03
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Expires: 1979-05-20
Abstract
No abstract record available.
Inventors
- 👤 Lynn A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:47
CPC Classifications
B; B23; B23H; B23H3/00; B23H3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE IMPROVED METHOD OF REMOVING WORK MATERIAL BY ELECTROLYTIC ACTION AT THE INTERFACE BETWEEN A WORKPIECE AND THE WORKING FACE OF A CATHODIC ELECTRODE IN THE PRESENCE OF AN ELECTROLYTE, WHICH COMPRISES SUPPLYING THE ELECTROLYTE AT A PRESSURE OF SEVERAL ATMOSPHERES TO THE INTERFACE FOR FLOW THERETHROUGH, MAINTAINING THE ELECTROLYTE UNDER SUBSTANTIAL PRESSURE WHILE THE ELECTROLYTE IS WITHIN THE INTERFACE, AND HEATING THE ELECTROLYTE AFTER IT HAS BEEN PRESSURIZED BUT BEFORE IT LEAVES THE INTERFACE TO A TEMPERATURE ABOVE THE ELECTROLYTE ATMOSPHERIC BOILING POINT BUT BELOW THE ELECTROLYTE BOILING POINT AT THE INTERFACE PRESSURE, WHEREBY STEAMING OF THE ELECTROLYTE WITHIN THE INTERFACE IS SUBSTANTIALLY ELIMINATED BUT TAKES PLACE IMMEDIATELY AFTER THE ELECTROLYTE ESCAPES FROM THE INTERFACE.
Claim 2
Dependent Claim
116 words
THE IMPROVED METHOD OF REMOVING WORK MATERIAL BY ELECTROLYTIC ACTION AT THE INTERFACE BETWEEN A WORKPIECE AND THE WORKING FACE OF A CATHODIC ELECTRODE IN THE PRESENCE OF AN ELECTROLYTE, WHICH COMPRISES SUPPLYING THE ELECTROLYTE AT A PRESSURE OF SEVERAL ATMOSPHERES TO THE INTERFACE FOR FLOW THERETHROUGH, MAINTAINING THE ELECTROLYTE UNDER SUBSTANTIAL PRESSURE WHILE THE ELECTROLYTE IS WITHIN THE INTERFACE, AND HEATING THE ELECTROLYTE AFTER IT HAS BEEN PRESSURIZED BUT BEFORE IT LEAVES THE INTERFACE TO A TEMPERATURE ABOVE THE ELECTROLYTE ATMOSPHERIC BOILING POINT BUT BELOW THE ELECTROLYTE BOILING POINT AT THE INTERFACE PRESSURE, WHEREBY STEAMING OF THE ELECTROLYTE WITHIN THE INTERFACE IS SUBSTANTIALLY ELIMINATED BUT TAKES PLACE IMMEDIATELY AFTER THE ELECTROLYTE ESCAPES FROM THE INTERFACE.
References Cited (Backward Citations)
US2741594A
Cited
US2895814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |