Patent US3225252A successfully refreshed from Google Patents.
US3225252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrohydraulic system and working fluids therefor
Assignee: General Electric Co
•
Filing: 1963-11-13
•
Granted: 1965-12-21
•
Expires: 1983-11-13
Abstract
No abstract record available.
Inventors
- 👤 Edward C Schrom
- 👤 Allen Merton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:08
CPC Classifications
G; G10; G10K; G10K15/00; G10K15/04; G10K15/06; B; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/12; H; H01; H01T; H01T2/00; H01T2/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AN ELECTROHYDRAULIC SPARK DISCHARGE SYSTEM WHICH COMPRISES A SOURCE OF HIGH VOLTAGE ELECTRICAL ENERGY, CAPACITOR STORAGE MEANS FOR THE ELECTRICAL ENERGY, ELECTRICAL DISCHARGE MEANS FOR RELEASING THE STORED ELECTRICAL ENERGY IN PULSE FORM, AND CONDUCTOR MEANS FOR TRANSMITTING THE ENERGY PULSE TO A SPARK GAP IMMERSED IN A WORKING FLUID, SAID WORKING FLUID COMPRISING A MULTIPHASE COMPOSITION HAVING A CONTINUOUS PHASE OF DIELECTRIC LIQUID AND A DISPERSED PHASE OF ELECTRICALLY CONDUCTIVE SUBSTANTIALLY INSOLUBLE PARTICULATES.
Claim 2
Dependent Claim
74 words
AN ELECTROHYDRAULIC SPARK DISCHARGE SYSTEM WHICH COMPRISES A SOURCE OF HIGH VOLTAGE ELECTRICAL ENERGY, CAPACITOR STORAGE MEANS FOR THE ELECTRICAL ENERGY, ELECTRICAL DISCHARGE MEANS FOR RELEASING THE STORED ELECTRICAL ENERGY IN PULSE FORM, AND CONDUCTOR MEANS FOR TRANSMITTING THE ENERGY PULSE TO A SPARK GAP IMMERSED IN A WORKING FLUID, SAID WORKING FLUID COMPRISING A MULTIPHASE COMPOSITION HAVING A CONTINUOUS PHASE OF DIELECTRIC LIQUID AND A DISPERSED PHASE OF ELECTRICALLY CONDUCTIVE SUBSTANTIALLY INSOLUBLE PARTICULATES.
References Cited (Backward Citations)
US2162823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |