US3144542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical stock removal apparatus
Assignee: Motors Liquidation Co
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Filing: 1961-07-13
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Granted: 1964-08-11
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Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Gerhard K Haas
- 👤 Arthur R Disbrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:15
CPC Classifications
B; B23; B23H; B23H1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
APPARATUS FOR GENERATING ELECTRICAL STOCK REMOVING DISCHARGES ACROSS A DIELECTRIC FLUID FILLED GAP FORMED BETWEEN CUTTING TOOL AND WORKPIECE ELECTRODES COMPRISING MEANS SUPPLYING DIELECTRIC FLUID TO THE GAP FOR AIDING IN THE REMOVAL OF ERODED PARTICLES FROM THE WORKPIECE ELECTRODE, A CHAMBER POSITIONED DOWNSTREAM FROM THE GAP FOR COLLECTING THE CONTAMINATED DIELECTRIC FLUID CONTAINING THE ERODED PARTICLES AND GASEOUS FORMATIONS SO AS TO PREVENT THE GASEOUS FORMATIONS FROM ACCUMULATING IN THE GAP, AND MEANS WITHDRAWING THE CONTAMINATED DIELECTRIC FLUID FROM THE CHAMBER, THE WITHDRAWING MEANS INCLUDING A RESERVOIR AND A FLUID PRESSURE SOURCE ARRANGED TO CIRCULATE FLUID IN THE RESERVOIR, THE SOURCE ARRANGED TO CIRCULATE FLUID IN THE RESERVOIR, THE SOURCE PRODUCING A PRESSURE DIFFERENTIAL BETWEEN THE CHAMBER AND THE RESERVOIR SO THAT THE CONTAMINATED DIELECTRIC FLUID IS WITHDRAWN FROM THE CHAMBER AND DELIVERED TO THE RESERVOIR WHERE THE GASEOUS FORMATIONS ARE ALLOWED TO DISSIPATE THEREBY AVOIDING EXPLOSIONS THEREOF.
Claim 2
Dependent Claim
149 words
APPARATUS FOR GENERATING ELECTRICAL STOCK REMOVING DISCHARGES ACROSS A DIELECTRIC FLUID FILLED GAP FORMED BETWEEN CUTTING TOOL AND WORKPIECE ELECTRODES COMPRISING MEANS SUPPLYING DIELECTRIC FLUID TO THE GAP FOR AIDING IN THE REMOVAL OF ERODED PARTICLES FROM THE WORKPIECE ELECTRODE, A CHAMBER POSITIONED DOWNSTREAM FROM THE GAP FOR COLLECTING THE CONTAMINATED DIELECTRIC FLUID CONTAINING THE ERODED PARTICLES AND GASEOUS FORMATIONS SO AS TO PREVENT THE GASEOUS FORMATIONS FROM ACCUMULATING IN THE GAP, AND MEANS WITHDRAWING THE CONTAMINATED DIELECTRIC FLUID FROM THE CHAMBER, THE WITHDRAWING MEANS INCLUDING A RESERVOIR AND A FLUID PRESSURE SOURCE ARRANGED TO CIRCULATE FLUID IN THE RESERVOIR, THE SOURCE ARRANGED TO CIRCULATE FLUID IN THE RESERVOIR, THE SOURCE PRODUCING A PRESSURE DIFFERENTIAL BETWEEN THE CHAMBER AND THE RESERVOIR SO THAT THE CONTAMINATED DIELECTRIC FLUID IS WITHDRAWN FROM THE CHAMBER AND DELIVERED TO THE RESERVOIR WHERE THE GASEOUS FORMATIONS ARE ALLOWED TO DISSIPATE THEREBY AVOIDING EXPLOSIONS THEREOF.
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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |