Patent US3190827A successfully refreshed from Google Patents.
US3190827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning liquids
Assignee: US Philips Corp
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Filing: 1961-10-04
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Granted: 1965-06-22
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Expires: 1981-10-04
Abstract
No abstract record available.
Inventors
- 👤 Kok Johannes Antonie
- 👤 Maria Casper Ebeline Martinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:00
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/20; B; B01; B01D; B01D35/00; B01D35/06; B03; B03C; B03C11/00; B03C5/00; B03C5/02; B03C5/022; B03C5/024; C; C10; C10G; C10G32/00; C10G32/02; Y; Y10; Y10S; Y10S55/00; Y10S55/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A FILTER APPARATUS FOR REMOVING SOLID PARTICLES FROM A FLOWING LIQUID COMPRISING A CASING, A SLEEVE-SHAPED ELECTRODE IN SAID CASING, A CENTRAL VERTICAL ELECTRODE ARRANGED SUBSTANTIALLY ALONG THE CENTRAL AXIS OF SAID SLEEVE-SHAPED ELECTRODE AND SPACED THEREFROM, A FILTER MASS OF POROUS, ELECTRICALLY NON-CONDUCTIVE MATERIAL SECURED TO THE INNER WALL OF SAID SLEEVE-SHAPED ELECTRODE, MEANS FOR SUPPLYING LIQUID TO BE PURIFIED TO THE OUTER PERIPHERAL SURFACE OF SAID CENTRAL ELECTRODE WHEREBY THE LIQUID IS DISTRIBUTED ON SAID SURFACE AS A DOWNWARDLY FLOWING FILM, MEANS FOR APPLYING HIGH VOLTAGE ENERGY BETWEEN SAID SLEEVE-SHAPED ELECTRODE AND SAID CENTRAL VERTICAL ELECTRODE WHEREBY AN ELECTRIC FIELD IS CREATED, SAID FILM BEING ATOMIZED UNDER THE INFLUENCE OF SAID ELECTRIC FIELD EMANATING FROM SAID CENTRAL ELECTRODE AND DIRECTED TOWARD SAID FILTER MASS, AND A CONTAINER FOR COLLECTING PURIFIED LIQUID BEING ARRANGED BELOW THE CENTRAL ELECTRODE AND IN COMMUNICATION WITH SAID
Claim 2
Dependent Claim
144 words
A FILTER APPARATUS FOR REMOVING SOLID PARTICLES FROM A FLOWING LIQUID COMPRISING A CASING, A SLEEVE-SHAPED ELECTRODE IN SAID CASING, A CENTRAL VERTICAL ELECTRODE ARRANGED SUBSTANTIALLY ALONG THE CENTRAL AXIS OF SAID SLEEVE-SHAPED ELECTRODE AND SPACED THEREFROM, A FILTER MASS OF POROUS, ELECTRICALLY NON-CONDUCTIVE MATERIAL SECURED TO THE INNER WALL OF SAID SLEEVE-SHAPED ELECTRODE, MEANS FOR SUPPLYING LIQUID TO BE PURIFIED TO THE OUTER PERIPHERAL SURFACE OF SAID CENTRAL ELECTRODE WHEREBY THE LIQUID IS DISTRIBUTED ON SAID SURFACE AS A DOWNWARDLY FLOWING FILM, MEANS FOR APPLYING HIGH VOLTAGE ENERGY BETWEEN SAID SLEEVE-SHAPED ELECTRODE AND SAID CENTRAL VERTICAL ELECTRODE WHEREBY AN ELECTRIC FIELD IS CREATED, SAID FILM BEING ATOMIZED UNDER THE INFLUENCE OF SAID ELECTRIC FIELD EMANATING FROM SAID CENTRAL ELECTRODE AND DIRECTED TOWARD SAID FILTER MASS, AND A CONTAINER FOR COLLECTING PURIFIED LIQUID BEING ARRANGED BELOW THE CENTRAL ELECTRODE AND IN COMMUNICATION WITH SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |