US3128364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical stock removal apparatus
Assignee: Motors Liquidation Co
•
Filing: 1960-08-16
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Granted: 1964-04-07
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Expires: 1980-08-16
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Wanttaja
- 👤 Corners Hales
- 👤 August F Scarpelli
- 👤 Thomas T Stapleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:07
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/14; B23H7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN ELECTRICAL STOCK REMOVAL APPARATUS, THE COMBINATION OF CONDUCTIVE TOOL AND WORKPIECE ELECTRODES SPACED APART SO AS TO FORM A GAP THEREBETWEEN, AN ENERGY SOURCE APPLYING A CERTAIN VOLTAGE ACROSS THE GAP FOR PRODUCING TIME SPACED STOCK REMOVAL DISCHARGES ACROSS THE GAP IN THE PRESENCE OF AN IONIZABLE MEDIUM, AND MEANS INTERRUPTING OPERATION OF THE APPARATUS WHEN FLUCTUATIONS OF THE GAP VOLTAGE EXCEED A PREDETERMINED FREQUENCY.
Claim 2
Dependent Claim
66 words
IN ELECTRICAL STOCK REMOVAL APPARATUS, THE COMBINATION OF CONDUCTIVE TOOL AND WORKPIECE ELECTRODES SPACED APART SO AS TO FORM A GAP THEREBETWEEN, AN ENERGY SOURCE APPLYING A CERTAIN VOLTAGE ACROSS THE GAP FOR PRODUCING TIME SPACED STOCK REMOVAL DISCHARGES ACROSS THE GAP IN THE PRESENCE OF AN IONIZABLE MEDIUM, AND MEANS INTERRUPTING OPERATION OF THE APPARATUS WHEN FLUCTUATIONS OF THE GAP VOLTAGE EXCEED A PREDETERMINED FREQUENCY.
References Cited (Backward Citations)
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Cited
US2807706A
Cited
US2882437A
Cited
US2951969A
Cited
US2927191A
Cited
US3035149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |