US3368962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for decontaminating hydraulic systems
Assignee: Lockheed Martin Corp
•
Filing: 1962-04-30
•
Granted: 1968-02-13
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Irvin R Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:30
CPC Classifications
B; B03; B03C; B03C5/00; F; F16; F16L; F16L55/00; F16L55/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A HYDRAULIC SYSTEM UTILIZING A DIELECTRIC FLUID, THE IMPROVEMENT COMPRISING: AN ELECTRICALLY CONDUCTIVE VALVE BODY CONNECTED IN SAID SYSTEM; MEANS FOR ELECTRICALLY INSULATING SAID VALVE BODY FROM THE OTHER ELEMENTS OF SAID SYSTEM; AND MEANS FOR IMPRESSING AN ELECTRICAL POTENTIAL ON SAID VALVE BODY WHEREBY ANY FOREIGN PARTICLES IN SAID FLUID HAVING AN ELECTRICAL CHARGE OF THE SAME POLARITY TO THAT IMPRESSED ON SAID VALVE BODY WILL BE REPELLED AWAY FROM SAID VALVE BODY.
Claim 2
Dependent Claim
75 words
IN A HYDRAULIC SYSTEM UTILIZING A DIELECTRIC FLUID, THE IMPROVEMENT COMPRISING: AN ELECTRICALLY CONDUCTIVE VALVE BODY CONNECTED IN SAID SYSTEM; MEANS FOR ELECTRICALLY INSULATING SAID VALVE BODY FROM THE OTHER ELEMENTS OF SAID SYSTEM; AND MEANS FOR IMPRESSING AN ELECTRICAL POTENTIAL ON SAID VALVE BODY WHEREBY ANY FOREIGN PARTICLES IN SAID FLUID HAVING AN ELECTRICAL CHARGE OF THE SAME POLARITY TO THAT IMPRESSED ON SAID VALVE BODY WILL BE REPELLED AWAY FROM SAID VALVE BODY.
References Cited (Backward Citations)
US1825477A
Cited
US2077505A
Cited
US2116509A
Cited
US2025243A
Cited
US2336542A
Cited
US2376535A
Cited
US2665246A
Cited
US2884375A
Cited
US2870081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |