US3253442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrohydraulic metal forming system and method
Assignee: Westinghouse Electric Corp
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Filing: 1963-05-24
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Granted: 1966-05-31
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Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Louis C Grove
- 👤 Robert T Innis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:17
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/06; B21D26/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN ELECTROHYDRAULIC METAL FORMING SYSTEM COMPRISING ENERGY STORAGE MEANS, MEANS FOR CONNECTING SAID ENERGY STORAGE MEANS TO A PAIR OF SPACED ELECTRODES DISPOSED IN A CONTAINER, SAID ELECTRODE BEING SUBMERGED IN A LIQUID OF RELATIVELY HIGH DIELECTRIC STRENGTH IN THE CONTAINER, AND MEANS FOR INTRODUCING A GAS OF RELATIVELY LOW DIELECTRIC STRENGTH BETWEEN SAID ELECTRODES TO INITIATE A DISCHARGE THEREBETWEEN.
Claim 2
Dependent Claim
60 words
AN ELECTROHYDRAULIC METAL FORMING SYSTEM COMPRISING ENERGY STORAGE MEANS, MEANS FOR CONNECTING SAID ENERGY STORAGE MEANS TO A PAIR OF SPACED ELECTRODES DISPOSED IN A CONTAINER, SAID ELECTRODE BEING SUBMERGED IN A LIQUID OF RELATIVELY HIGH DIELECTRIC STRENGTH IN THE CONTAINER, AND MEANS FOR INTRODUCING A GAS OF RELATIVELY LOW DIELECTRIC STRENGTH BETWEEN SAID ELECTRODES TO INITIATE A DISCHARGE THEREBETWEEN.
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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |