US3200566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emission electrode for electrostatic precipitators
Assignee: Svenska Flaktfabriken AB
•
Filing: 1962-07-11
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Granted: 1965-08-17
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Gustafsson Stig
- 👤 Maartmann Sten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:01
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/34; B03C3/40; B03C3/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN EMISSION ELECTRODE FOR ELECTROSTATIC PRECIPITATORS IN WHICH A NUMBER OF VERTICAL PLATE-LIKE ELECTRODES ARE ARRANGED IN A CO-PLANAR ROW WITH THE PLANES OF THE PLATES DISPOSED PARALLEL TO THE FLOW OF GAS THEREOVER TRANSVERSELY ACROSS THE WIDTH AND EDGES, SAID EMISSION ELECTRODE COMPRISING A CONTINUOUS SMOOTH PLANAR WEB BENT AT EACH LONGITUDINAL EDGE TO FORM A VERTICAL STIFFENING STRIP HAVING A CURVED BENT PORTION ON AT LEAST ONE SIDE OF THE PLANE OF THE WEB, AND A PLURALITY OF VERTICALLY SPACED, INTERGRAL, ROUNDED PROJECTIONS ON THE CURVED BENT PORTION OF EACH STIFFENING STRIP, SAID PROJECTIONS EXTENDING IN A DIRECTION PERPENDICULAR TO THE PLANE OF SAID WEB, EACH OF SAID PROJECTIONS BEING PRESSED OUTWARDLY FROM SAID CURVED BENT PORTIONS AND HAVING A SUBSTANTIALLY HEMISPHERICAL SMOOTH AND UNBROKEN PERIPHERAL OUTLINE.
Claim 2
Dependent Claim
129 words
AN EMISSION ELECTRODE FOR ELECTROSTATIC PRECIPITATORS IN WHICH A NUMBER OF VERTICAL PLATE-LIKE ELECTRODES ARE ARRANGED IN A CO-PLANAR ROW WITH THE PLANES OF THE PLATES DISPOSED PARALLEL TO THE FLOW OF GAS THEREOVER TRANSVERSELY ACROSS THE WIDTH AND EDGES, SAID EMISSION ELECTRODE COMPRISING A CONTINUOUS SMOOTH PLANAR WEB BENT AT EACH LONGITUDINAL EDGE TO FORM A VERTICAL STIFFENING STRIP HAVING A CURVED BENT PORTION ON AT LEAST ONE SIDE OF THE PLANE OF THE WEB, AND A PLURALITY OF VERTICALLY SPACED, INTERGRAL, ROUNDED PROJECTIONS ON THE CURVED BENT PORTION OF EACH STIFFENING STRIP, SAID PROJECTIONS EXTENDING IN A DIRECTION PERPENDICULAR TO THE PLANE OF SAID WEB, EACH OF SAID PROJECTIONS BEING PRESSED OUTWARDLY FROM SAID CURVED BENT PORTIONS AND HAVING A SUBSTANTIALLY HEMISPHERICAL SMOOTH AND UNBROKEN PERIPHERAL OUTLINE.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |