US3421997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for electrolytic shaping
Assignee: Anocut Engineering Co
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Filing: 1966-02-14
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Granted: 1969-01-14
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Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Lynn A Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:52
CPC Classifications
B; B23; B23H; B23H3/00; B23H3/04; C; C25; C25F; C25F3/00; C25F3/16; C25F7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
AN ELECTRODE FOR USE IN ELECTROLYTIC SHAPING APPARATUS, COMPRISING A HOLLOW METALLIC MEMBER ADAPTED TO BE CONNECTED INTO AN ELECTROLYZING ELECTRIC CIRCUIT, SAID MEMBER HAVING A WORKING AND ELECTRICALLY CONDUCTIVE TIP AT ONE END THEREOF ADAPTED TO BE BROUGHT INTO CLOSE SPACING RELATIONSHIP WITH A METALLIC WORKPIECE TO BE SHAPED, SAID MEMBER HAVING AN OPENING OPPOSITE SAID WORKING TIP THROUGH WHICH AN ELECTROLYZING FLUID IS ADAPTED TO BE PUMPED SAID MEMBER HAVING A MINOR METALLIC AREA CONTIGUOUS TO SAID TIP AND EXPOSED LATERALLY TO PROVIDE CONTROLLED LATERAL ELECTROLYTIC EROSION OF THE WORKPIECE, AND AN INSULATING SHEATH ENCASING AND SECURED TO SAID TUBULAR MEMBER FROM SAID LATERALLY EXPOSED AREA TOWARD AND SUBSTANTIALLY TO SAID END OF SAID MEMBER OPPOSITE SAID WORKING TIP.
Claim 2
Dependent Claim
121 words
AN ELECTRODE FOR USE IN ELECTROLYTIC SHAPING APPARATUS, COMPRISING A HOLLOW METALLIC MEMBER ADAPTED TO BE CONNECTED INTO AN ELECTROLYZING ELECTRIC CIRCUIT, SAID MEMBER HAVING A WORKING AND ELECTRICALLY CONDUCTIVE TIP AT ONE END THEREOF ADAPTED TO BE BROUGHT INTO CLOSE SPACING RELATIONSHIP WITH A METALLIC WORKPIECE TO BE SHAPED, SAID MEMBER HAVING AN OPENING OPPOSITE SAID WORKING TIP THROUGH WHICH AN ELECTROLYZING FLUID IS ADAPTED TO BE PUMPED SAID MEMBER HAVING A MINOR METALLIC AREA CONTIGUOUS TO SAID TIP AND EXPOSED LATERALLY TO PROVIDE CONTROLLED LATERAL ELECTROLYTIC EROSION OF THE WORKPIECE, AND AN INSULATING SHEATH ENCASING AND SECURED TO SAID TUBULAR MEMBER FROM SAID LATERALLY EXPOSED AREA TOWARD AND SUBSTANTIALLY TO SAID END OF SAID MEMBER OPPOSITE SAID WORKING TIP.
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) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |