US3194938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing parts by electrical erosion
Assignee: L C Miller Co
•
Filing: 1962-10-09
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Granted: 1965-07-13
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Expires: 1982-10-09
Abstract
No abstract record available.
Inventors
- 👤 Donald E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:36
CPC Classifications
B; B23; B23H; B23H9/00; B23H9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF PRODUCING A DESIRED SHAPE IN OR ON A WORK MEMBER BY ELECTRICAL EROSION, THE WORK MEMBER BEING FORMED OF ELECTRICALLY CONDUCTING MATERIAL, COMPRISING THE STEPS OF: POSITIONING A SHAPED ELECTRODE MEMBER WITH RESPECT TO THE WORK MEMBER SO THAT ONE OF SAID MEMBERS ENCIRCLES A PORTION OF THE OTHER MEMBER AND WITH THE SHAPED PORTION OF THE ELECTRODE MEMBER ADJACENT THE PORTION OF THE WORK MEMBER TO BE SHAPED, CAUSING RELATIVE ORBITAL MOVEMENT BETWEEN THE ELECTRODE MEMBER AND THE WORK MEMBER WITHOUT RELATIVE ROTATION OR AXIAL FEED, AND CAUSING AN ELECTRIC EROSION CURRENT TO FLOW BETWEEN THE ELECTRODE MEMBER AND THE WORK MEMBER.
Claim 2
Independent Claim
106 words
THE METHOD OF PRODUCING A DESIRED SHAPE IN OR ON A WORK MEMBER BY ELECTRICAL EROSION, THE WORK MEMBER BEING FORMED OF ELECTRICALLY CONDUCTING MATERIAL, COMPRISING THE STEPS OF: POSITIONING A SHAPED ELECTRODE MEMBER WITH RESPECT TO THE WORK MEMBER SO THAT ONE OF SAID MEMBERS ENCIRCLES A PORTION OF THE OTHER MEMBER AND WITH THE SHAPED PORTION OF THE ELECTRODE MEMBER ADJACENT THE PORTION OF THE WORK MEMBER TO BE SHAPED, CAUSING RELATIVE ORBITAL MOVEMENT BETWEEN THE ELECTRODE MEMBER AND THE WORK MEMBER WITHOUT RELATIVE ROTATION OR AXIAL FEED, AND CAUSING AN ELECTRIC EROSION CURRENT TO FLOW BETWEEN THE ELECTRODE MEMBER AND THE WORK MEMBER.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |